ImsVoice

ALERTING_SRVCC_SUPPORT

static val ALERTING_SRVCC_SUPPORT: Int

SRVCC access transfer for calls in alerting phase as per 3GPP 24.237 and IR.64 Section 4.4. Media feature tag used: g.3gpp.srvcc-alerting.

Value: 1

BANDWIDTH_EFFICIENT

static val BANDWIDTH_EFFICIENT: Int

AMR NB/WB Payload format is bandwidth-efficient.

Value: 0

BASIC_SRVCC_SUPPORT

static val BASIC_SRVCC_SUPPORT: Int

Indicates support for basic SRVCC, typically 1 active call as detailed in IR.92 Section A.3.

Value: 0

CONFERENCE_SUBSCRIBE_TYPE_IN_DIALOG

static val CONFERENCE_SUBSCRIBE_TYPE_IN_DIALOG: Int

The SIP SUBSCRIBE to conference state events is sent in the SIP INVITE dialog between the UE and the conference server.

Reference: IR.92 Section 2.3.3.

Value: 0

CONFERENCE_SUBSCRIBE_TYPE_OUT_OF_DIALOG

static val CONFERENCE_SUBSCRIBE_TYPE_OUT_OF_DIALOG: Int

The SIP SUBSCRIBE to conference state events is sent out of the SIP INVITE dialog between the UE and the conference server.

Reference: IR.92 Section 2.3.3.

Value: 1

EVS_ENCODED_BW_TYPE_FB

static val EVS_ENCODED_BW_TYPE_FB: Int

EVS encoded Bandwidth is Full Band (FB). Reference: 3GPP 26.441 Table 1.

Value: 3

EVS_ENCODED_BW_TYPE_NB

static val EVS_ENCODED_BW_TYPE_NB: Int

EVS encoded Bandwidth is Narrow Band (NB). Reference: 3GPP 26.441 Table 1.

Value: 0

EVS_ENCODED_BW_TYPE_NB_WB

static val EVS_ENCODED_BW_TYPE_NB_WB: Int

EVS encoded Bandwidth is in the range NB,WB. Reference: 3GPP 26.441 Table 1.

Value: 4

EVS_ENCODED_BW_TYPE_NB_WB_SWB

static val EVS_ENCODED_BW_TYPE_NB_WB_SWB: Int

EVS encoded Bandwidth is in the range NB,WB,SWB. Reference: 3GPP 26.441 Table 1.

Value: 5

EVS_ENCODED_BW_TYPE_NB_WB_SWB_FB

static val EVS_ENCODED_BW_TYPE_NB_WB_SWB_FB: Int

EVS encoded Bandwidth is in the range NB,WB,SWB,FB. Reference: 3GPP 26.441 Table 1.

Value: 6

EVS_ENCODED_BW_TYPE_SWB

static val EVS_ENCODED_BW_TYPE_SWB: Int

EVS encoded Bandwidth is Super WideBand (SWB). Reference: 3GPP 26.441 Table 1.

Value: 2

EVS_ENCODED_BW_TYPE_WB

static val EVS_ENCODED_BW_TYPE_WB: Int

EVS encoded Bandwidth is Wide Band (WB). Reference: 3GPP 26.441 Table 1.

Value: 1

EVS_ENCODED_BW_TYPE_WB_SWB

static val EVS_ENCODED_BW_TYPE_WB_SWB: Int

EVS encoded Bandwidth is in the range WB,SWB. Reference: 3GPP 26.441 Table 1.

Value: 7

EVS_ENCODED_BW_TYPE_WB_SWB_FB

static val EVS_ENCODED_BW_TYPE_WB_SWB_FB: Int

EVS encoded Bandwidth is in the range WB,SWB,FB. Reference: 3GPP 26.441 Table 1.

Value: 8

EVS_OPERATIONAL_MODE_AMRWB_IO

static val EVS_OPERATIONAL_MODE_AMRWB_IO: Int

Indicates the EVS AMR-WB IO mode. 3GPP 26.445 Section 3.1

Value: 1

EVS_OPERATIONAL_MODE_PRIMARY

static val EVS_OPERATIONAL_MODE_PRIMARY: Int

Indicates the EVS primary mode. 3GPP 26.445 Section 3.1

Value: 0

EVS_PRIMARY_MODE_BITRATE_128_0_KBPS

static val EVS_PRIMARY_MODE_BITRATE_128_0_KBPS: Int

EVS primary mode with bitrate 128.0 kbps

Value: 11

EVS_PRIMARY_MODE_BITRATE_13_2_KBPS

static val EVS_PRIMARY_MODE_BITRATE_13_2_KBPS: Int

EVS primary mode with bitrate 13.2 kbps

Value: 4

EVS_PRIMARY_MODE_BITRATE_16_4_KBPS

static val EVS_PRIMARY_MODE_BITRATE_16_4_KBPS: Int

EVS primary mode with bitrate 16.4 kbps

Value: 5

EVS_PRIMARY_MODE_BITRATE_24_4_KBPS

static val EVS_PRIMARY_MODE_BITRATE_24_4_KBPS: Int

EVS primary mode with bitrate 24.4 kbps

Value: 6

EVS_PRIMARY_MODE_BITRATE_32_0_KBPS

static val EVS_PRIMARY_MODE_BITRATE_32_0_KBPS: Int

EVS primary mode with bitrate 32.0 kbps

Value: 7

EVS_PRIMARY_MODE_BITRATE_48_0_KBPS

static val EVS_PRIMARY_MODE_BITRATE_48_0_KBPS: Int

EVS primary mode with bitrate 48.0 kbps

Value: 8

EVS_PRIMARY_MODE_BITRATE_5_9_KBPS

static val EVS_PRIMARY_MODE_BITRATE_5_9_KBPS: Int

EVS primary mode with bitrate 5.9 kbps

Value: 0

EVS_PRIMARY_MODE_BITRATE_64_0_KBPS

static val EVS_PRIMARY_MODE_BITRATE_64_0_KBPS: Int

EVS primary mode with bitrate 64.0 kbps

Value: 9

EVS_PRIMARY_MODE_BITRATE_7_2_KBPS

static val EVS_PRIMARY_MODE_BITRATE_7_2_KBPS: Int

EVS primary mode with bitrate 7.2 kbps

Value: 1

EVS_PRIMARY_MODE_BITRATE_8_0_KBPS

static val EVS_PRIMARY_MODE_BITRATE_8_0_KBPS: Int

EVS primary mode with bitrate 8.0 kbps

Value: 2

EVS_PRIMARY_MODE_BITRATE_96_0_KBPS

static val EVS_PRIMARY_MODE_BITRATE_96_0_KBPS: Int

EVS primary mode with bitrate 96.0 kbps

Value: 10

EVS_PRIMARY_MODE_BITRATE_9_6_KBPS

static val EVS_PRIMARY_MODE_BITRATE_9_6_KBPS: Int

EVS primary mode with bitrate 9.6 kbps

Value: 3

KEY_AMRNB_PAYLOAD_DESCRIPTION_BUNDLE

static val KEY_AMRNB_PAYLOAD_DESCRIPTION_BUNDLE: String

Specifies the codec attributes of different payload types in the AMR NarrowBand (AMR-NB) codec.

The keys in this bundle are payload types specified in KEY_AMRNB_PAYLOAD_TYPE_INT_ARRAY.

Codec attributes allowed as part of AMR-NB codec bundle are,

• KEY_AMR_CODEC_ATTRIBUTE_PAYLOAD_FORMAT_INT
• KEY_AMR_CODEC_ATTRIBUTE_MODESET_INT_ARRAY

If this bundle is not configured and AMRNB payload type is added in KEY_AMRNB_PAYLOAD_TYPE_INT_ARRAY, then default values as in the individual codec attribute to be used for that payload type.

Value: "imsvoice.amrnb_payload_description_bundle"

KEY_AMRNB_PAYLOAD_TYPE_INT_ARRAY

static val KEY_AMRNB_PAYLOAD_TYPE_INT_ARRAY: String

A list of integers representing the different payload types in AMR-NB codec in priority order from highest to lowest.

Payload type is an integer in dynamic payload type range 96-127 as per RFC RFC 3551 Section 6.

Value: "imsvoice.amrnb_payload_type_int_array"

KEY_AMRWB_PAYLOAD_DESCRIPTION_BUNDLE

static val KEY_AMRWB_PAYLOAD_DESCRIPTION_BUNDLE: String

Specifies the codec attributes of different payload types in the AMR WideBand (AMR-WB) codec.

The keys in this bundle are payload types specified in KEY_AMRWB_PAYLOAD_TYPE_INT_ARRAY.

Codec attributes allowed as part of AMR-NB codec bundle are,

• KEY_AMR_CODEC_ATTRIBUTE_PAYLOAD_FORMAT_INT
• KEY_AMR_CODEC_ATTRIBUTE_MODESET_INT_ARRAY

If this bundle is not configured and AMRWB payload type is added in KEY_AMRWB_PAYLOAD_TYPE_INT_ARRAY, then default values as in the individual codec attribute to be used for that payload type.

Value: "imsvoice.amrwb_payload_description_bundle"

KEY_AMRWB_PAYLOAD_TYPE_INT_ARRAY

static val KEY_AMRWB_PAYLOAD_TYPE_INT_ARRAY: String

A list of integers representing the different payload types in AMR-WB codec in priority order from highest to lowest.

Payload type is an integer in dynamic payload type range 96-127 as per RFC RFC 3551 Section 6.

Value: "imsvoice.amrwb_payload_type_int_array"

KEY_AMR_CODEC_ATTRIBUTE_MODESET_INT_ARRAY

static val KEY_AMR_CODEC_ATTRIBUTE_MODESET_INT_ARRAY: String

Restricts the active mode set to a subset of all modes in the codec.

This attribute is optional. If value is set, then session mode set is restricted to the modes specified in this list. If this value is not specified, then all available modes in the codec are allowed. This attribute is applicable for AMR-WB, AMR-NB, and EVS codec (operating in AMR-WB IO Mode).

Possible values are subset of, [0,1,2,3,4,5,6,7,8] - AMRWB with the modes representing nine speech codec modes with bit rates of 6.6, 8.85, 12.65, 14.25, 15.85, 18.25, 19.85, 23.05, 23.85 kbps. [0,1,2,3,4,5,6,7] - AMRNB with the modes representing eight speech codec modes with bit rates of 4.75, 5.15, 5.90, 6.70, 7.40, 7.95, 10.2, 12.2 kbps.

If value is not specified, then it means device supports all modes in the codec but not included in SDP.

Reference: RFC 4867 Section 8.1, 3GPP 26.445 A.3.1

Value: "imsvoice.amr_codec_attribute_modeset_int_array"

KEY_AMR_CODEC_ATTRIBUTE_PAYLOAD_FORMAT_INT

static val KEY_AMR_CODEC_ATTRIBUTE_PAYLOAD_FORMAT_INT: String

Specifies the payload format of the AMR-NB/AMR-WB codec.

Possible values are, BANDWIDTH_EFFICIENT, OCTET_ALIGNED

If value is not specified, payload format is BANDWIDTH_EFFICIENT.

Reference: RFC 4867 Section 8.1.

Value: "imsvoice.amr_codec_attribute_payload_format_int"

KEY_AUDIO_AS_BANDWIDTH_KBPS_INT

static val KEY_AUDIO_AS_BANDWIDTH_KBPS_INT: String

Specifies the AS (Application Specific) SDP modifier for audio media.

This value is expressed in kilobits per second. Reference: RFC 3556 Section 2.

Value: "imsvoice.audio_as_bandwidth_kbps_int"

KEY_AUDIO_CODEC_CAPABILITY_PAYLOAD_TYPES_BUNDLE

static val KEY_AUDIO_CODEC_CAPABILITY_PAYLOAD_TYPES_BUNDLE: String

Specifies the Audio Codec capability. This contains a list of payload types representing different audio codec instances.

The priority of the codecs is EVS, AMRWB, AMRNB, DTMF WB, DTMF NB from highest to lowest. In each individual codec, the priority is determined by the order of the payload types from highest to lowest.

Possible keys in this bundle are,

• KEY_EVS_PAYLOAD_TYPE_INT_ARRAY
• KEY_AMRWB_PAYLOAD_TYPE_INT_ARRAY
• KEY_AMRNB_PAYLOAD_TYPE_INT_ARRAY
• KEY_DTMFWB_PAYLOAD_TYPE_INT_ARRAY
• KEY_DTMFNB_PAYLOAD_TYPE_INT_ARRAY

To specify payload descriptions for each of the audio payload types, see

• KEY_EVS_PAYLOAD_DESCRIPTION_BUNDLE
• KEY_AMRNB_PAYLOAD_DESCRIPTION_BUNDLE
• KEY_AMRWB_PAYLOAD_DESCRIPTION_BUNDLE

Value: "imsvoice.audio_codec_capability_payload_types_bundle"

KEY_AUDIO_INACTIVITY_CALL_END_REASONS_INT_ARRAY

static val KEY_AUDIO_INACTIVITY_CALL_END_REASONS_INT_ARRAY: String

List of various reasons of media inactivity for which voice/emergency call will end.

Possible values are, Ims.RTCP_INACTIVITY_ON_HOLD, Ims.RTCP_INACTIVITY_ON_CONNECTED, Ims.RTP_INACTIVITY_ON_CONNECTED Ims.E911_RTCP_INACTIVITY_ON_CONNECTED, Ims.E911_RTP_INACTIVITY_ON_CONNECTED

Value: "imsvoice.audio_inactivity_call_end_reasons_int_array"

KEY_AUDIO_RR_BANDWIDTH_BPS_INT

static val KEY_AUDIO_RR_BANDWIDTH_BPS_INT: String

Specifies the RR SDP modifier for audio media. This indicates the RTCP bandwidth allocated to receivers for audio media.

This value is expressed in bits per second. Reference: RFC 3556 Section 2.

Value: "imsvoice.audio_rr_bandwidth_bps_int"

KEY_AUDIO_RS_BANDWIDTH_BPS_INT

static val KEY_AUDIO_RS_BANDWIDTH_BPS_INT: String

Specifies the RS SDP modifier for audio media. This indicates the RTCP bandwidth allocated to active data senders for audio media.

This value is expressed in bits per second. Reference: RFC 3556 Section 2.

Value: "imsvoice.audio_rs_bandwidth_bps_int"

KEY_AUDIO_RTCP_INACTIVITY_TIMER_MILLIS_INT

static val KEY_AUDIO_RTCP_INACTIVITY_TIMER_MILLIS_INT: String

Specifies the timeout value for RTCP inactivity for audio media.

On timer expiry, call will end. See KEY_AUDIO_INACTIVITY_CALL_END_REASONS_INT_ARRAY for more details.

Value of 0 means this timer is not enabled.

Value: "imsvoice.audio_rtcp_inactivity_timer_millis_int"

KEY_AUDIO_RTP_INACTIVITY_TIMER_MILLIS_INT

static val KEY_AUDIO_RTP_INACTIVITY_TIMER_MILLIS_INT: String

Specifies the timeout value for RTP inactivity for audio media.

On timer expiry, call will end. See KEY_AUDIO_INACTIVITY_CALL_END_REASONS_INT_ARRAY for more details.

Value of 0 means this timer is not enabled.

Value: "imsvoice.audio_rtp_inactivity_timer_millis_int"

KEY_CARRIER_VOLTE_ROAMING_AVAILABLE_BOOL

static val KEY_CARRIER_VOLTE_ROAMING_AVAILABLE_BOOL: String

Flag specifying whether VoLTE should be available when on roaming network.

If false: hard disabled. If true: then depends on availability, etc.

Value: "imsvoice.carrier_volte_roaming_available_bool"

KEY_CODEC_ATTRIBUTE_MODE_CHANGE_CAPABILITY_INT

static val KEY_CODEC_ATTRIBUTE_MODE_CHANGE_CAPABILITY_INT: String

Specifies if the client is capable to transmit with a restricted mode change period. This attribute is applicable for EVS codec in AMR-WB IO mode and AMR-WB.

Possible values are 1, 2. If this key is not present, then behavior as per value 1 is applicable and this parameter is not included in SDP.

Reference: RFC 4867 Section 8.1.

Value: "imsvoice.codec_attribute_mode_change_capability_int"

KEY_CODEC_ATTRIBUTE_MODE_CHANGE_NEIGHBOR_INT

static val KEY_CODEC_ATTRIBUTE_MODE_CHANGE_NEIGHBOR_INT: String

Specifies the allowed mode changes for the sender in the active mode set. This attribute is applicable for EVS codec in AMR-WB IO mode and AMR-WB.

Possible values are 0, 1. If value is 1, then the sender should only perform mode changes to the neighboring modes in the active codec mode set. If value is 0, then mode changes between any two modes in the active codec mode set is allowed. If the key is not present, behavior as per value 0 is applicable and this parameter is not included in SDP.

Reference: RFC 4867 Section 8.1.

Value: "imsvoice.codec_attribute_mode_change_neighbor_int"

KEY_CODEC_ATTRIBUTE_MODE_CHANGE_PERIOD_INT

static val KEY_CODEC_ATTRIBUTE_MODE_CHANGE_PERIOD_INT: String

Specifies the number of frame-blocks. This indicates the frame-block period at which codec mode changes are allowed for the sender. This attribute is applicable for EVS codec in AMR-WB IO mode and AMR-WB.

Possible values are 1, 2. If the key is not present, behavior as per value 1 is applicable and this parameter is not included in SDP.

Reference: RFC 4867 Section 8.1.

Value: "imsvoice.codec_attribute_mode_change_period_int"

KEY_CONFERENCE_FACTORY_URI_STRING

static val KEY_CONFERENCE_FACTORY_URI_STRING: String

Used to specify the conference factory URI.

If this is empty, then conference URI is generated from MCC/MNC as specified in clause 13.10 of 3GPP 23.003.

Value: "imsvoice.conference_factory_uri_string"

KEY_CONFERENCE_SUBSCRIBE_TYPE_INT

static val KEY_CONFERENCE_SUBSCRIBE_TYPE_INT: String

This is used to specify whether the SIP SUBSCRIBE to conference state events, is sent in or out of the SIP INVITE dialog between the UE and the conference server.

Reference: IR.92 Section 2.3.3.

Possible values are, CONFERENCE_SUBSCRIBE_TYPE_IN_DIALOG, CONFERENCE_SUBSCRIBE_TYPE_OUT_OF_DIALOG An empty array indicates SUBSCRIBE to conference event package is not required.

Value: "imsvoice.conference_subscribe_type_int"

KEY_DEDICATED_BEARER_WAIT_TIMER_MILLIS_INT

static val KEY_DEDICATED_BEARER_WAIT_TIMER_MILLIS_INT: String

Specifies the dedicated bearer wait time during call establishment.

If dedicated bearer is not established within this time and if KEY_VOICE_ON_DEFAULT_BEARER_SUPPORTED_BOOL is false, then call setup would fail.

If dedicated bearer is not established within this time and if KEY_VOICE_ON_DEFAULT_BEARER_SUPPORTED_BOOL is true, then the media is allowed on default bearer.

Value: "imsvoice.dedicated_bearer_wait_timer_millis_int"

KEY_DTMFNB_PAYLOAD_TYPE_INT_ARRAY

static val KEY_DTMFNB_PAYLOAD_TYPE_INT_ARRAY: String

A list of integers representing the different payload types in DTMF NB codec in priority order from highest to lowest.

Payload type is an integer in dynamic payload type range 96-127 as per RFC RFC 3551 Section 6.

Value: "imsvoice.dtmfnb_payload_type_int_array"

KEY_DTMFWB_PAYLOAD_TYPE_INT_ARRAY

static val KEY_DTMFWB_PAYLOAD_TYPE_INT_ARRAY: String

A list of integers representing the different payload types in DTMF WB codec in priority order from highest to lowest.

Payload type is an integer in dynamic payload type range 96-127 as per RFC RFC 3551 Section 6.

Value: "imsvoice.dtmfwb_payload_type_int_array"

KEY_EVS_CODEC_ATTRIBUTE_BANDWIDTH_INT

static val KEY_EVS_CODEC_ATTRIBUTE_BANDWIDTH_INT: String

Specifies the EVS codec encoding bandwidth options. Possible values are, EVS_ENCODED_BW_TYPE_NB, EVS_ENCODED_BW_TYPE_WB, EVS_ENCODED_BW_TYPE_SWB, EVS_ENCODED_BW_TYPE_FB, EVS_ENCODED_BW_TYPE_NB_WB, EVS_ENCODED_BW_TYPE_NB_WB_SWB, EVS_ENCODED_BW_TYPE_NB_WB_SWB_FB, EVS_ENCODED_BW_TYPE_WB_SWB, EVS_ENCODED_BW_TYPE_WB_SWB_FB If this key is not specified, then the behavior is same as value EVS_ENCODED_BW_TYPE_NB_WB_SWB

Reference: 3GPP 26.441 Table 1.

Value: "imsvoice.evs_codec_attribute_bandwidth_int"

KEY_EVS_CODEC_ATTRIBUTE_BITRATE_INT_ARRAY

static val KEY_EVS_CODEC_ATTRIBUTE_BITRATE_INT_ARRAY: String

Specifies the range of source codec bit-rate for EVS Primary mode in the session. This is expressed in kilobits per second and applicable for both the send and the receive directions.

The range is specified as integer aray of size 2, represented as [low, high], where low <= high

Possible values for low and high are, EVS_PRIMARY_MODE_BITRATE_5_9_KBPS, EVS_PRIMARY_MODE_BITRATE_7_2_KBPS, EVS_PRIMARY_MODE_BITRATE_8_0_KBPS, EVS_PRIMARY_MODE_BITRATE_9_6_KBPS, EVS_PRIMARY_MODE_BITRATE_13_2_KBPS, EVS_PRIMARY_MODE_BITRATE_16_4_KBPS, EVS_PRIMARY_MODE_BITRATE_24_4_KBPS, EVS_PRIMARY_MODE_BITRATE_32_0_KBPS, EVS_PRIMARY_MODE_BITRATE_48_0_KBPS, EVS_PRIMARY_MODE_BITRATE_64_0_KBPS, EVS_PRIMARY_MODE_BITRATE_96_0_KBPS, EVS_PRIMARY_MODE_BITRATE_128_0_KBPS If this key is not specified, then the behavior is same as value EVS_PRIMARY_MODE_BITRATE_24_4_KBPS

Reference: 3GPP 26.445 Section A.3.1

Value: "imsvoice.evs_codec_attribute_bitrate_int_array"

KEY_EVS_CODEC_ATTRIBUTE_CHANNELS_INT

static val KEY_EVS_CODEC_ATTRIBUTE_CHANNELS_INT: String

Specifies the number of audio channels. If this is not present, then default value of 1 will apply.

Reference: RFC 3551

Value: "imsvoice.evs_codec_attribute_channels_int"

KEY_EVS_CODEC_ATTRIBUTE_CH_AW_RECV_INT

static val KEY_EVS_CODEC_ATTRIBUTE_CH_AW_RECV_INT: String

Specifies the Channel aware mode (ch-aw-recv) for the receive direction. This is applicable for EVS codec.

Permissible values are -1, 0, 2, 3, 5, and 7. If this key is not specified, then the behavior is same as value 0 (channel aware mode disabled).

If this key is configured, then device is expected to send this parameter in the SDP offer.

Reference: 3GPP TS 26.445 section 4.4.5, 3GPP 26.445 Section A.3.1

Value: "imsvoice.evs_codec_attribute_ch_aw_recv_int"

KEY_EVS_CODEC_ATTRIBUTE_CMR_INT

static val KEY_EVS_CODEC_ATTRIBUTE_CMR_INT: String

Indicates whether the Codec Mode Request (CMR) is supported for the session. This attribute is applicable for EVS codec in Primary Mode only.

Possible values are -1, 0, 1. If this key is not present, then behavior as per value 0 is applicable.

Reference: 3GPP 26.445 Section A.3.1, 3GPP 26.114 Table 6.2a

Value: "imsvoice.codec_attribute_cmr_int"

KEY_EVS_CODEC_ATTRIBUTE_DTX_BOOL

static val KEY_EVS_CODEC_ATTRIBUTE_DTX_BOOL: String

Specifies whether DTX (Discontinuous transmission) is enabled or not. This applies to both directions in the session. This attribute is applicable for EVS codec and can be used in both EVS Primary mode and EVS AMR-WB IO mode.

If true: Indicates DTX is enabled. If false: Indicates DTX is disabled.

If this is not present, then default value of true will apply.

Reference: 3GPP TS 26.445 Section A.3.1.

Value: "imsvoice.evs_codec_attribute_dtx_bool"

KEY_EVS_CODEC_ATTRIBUTE_DTX_RECV_BOOL

static val KEY_EVS_CODEC_ATTRIBUTE_DTX_RECV_BOOL: String

This is used if further restriction is required on DTX in the receive direction. This attribute is applicable for EVS codec and can be used in both EVS Primary mode and EVS AMR-WB IO mode.

If this value is true or not present, then DTX setting is dependent on KEY_EVS_CODEC_ATTRIBUTE_DTX_BOOL.

If this is not present, then default value of true will apply.

Reference: 3GPP TS 26.445 Section A.3.1.

Value: "imsvoice.evs_codec_attribute_dtx_recv_bool"

KEY_EVS_CODEC_ATTRIBUTE_HF_ONLY_INT

static val KEY_EVS_CODEC_ATTRIBUTE_HF_ONLY_INT: String

Specifies whether to limit the session to header-full format. This applies to both directions in the session. This attribute is applicable for EVS codec.

Permissible values are 0, 1 If hf-only is 1, only Header-Full format is used and hf-only is included in the SDP.

If hf-only is 0, both Compact and Header-Full formats are used and hf-only is included in the SDP.

If this key is not present, then both Compact and Header-Full formats are used and hf-only is not included in the SDP.

If this key is configured, then device is expected to send this parameter in the SDP offer if operator required it.

Reference: 3GPP 26.445 Section A.3.1.

Value: "imsvoice.evs_codec_attribute_hf_only_int"

KEY_EVS_CODEC_ATTRIBUTE_MODE_SWITCH_INT

static val KEY_EVS_CODEC_ATTRIBUTE_MODE_SWITCH_INT: String

Specifies if the EVS mode used is EVS primary mode or EVS AMR-WB IO mode.

Possible values are, EVS_OPERATIONAL_MODE_PRIMARY, EVS_OPERATIONAL_MODE_AMRWB_IO

If this is not present, then EVS_OPERATIONAL_MODE_PRIMARY is used.

Reference: 3GPP 26.445 Section 3.1.

Value: "imsvoice.evs_codec_attribute_mode_switch_int"

KEY_EVS_PAYLOAD_DESCRIPTION_BUNDLE

static val KEY_EVS_PAYLOAD_DESCRIPTION_BUNDLE: String

Specifies the codec attributes of different payload types in the EVS codec.

The keys in this bundle are payload types specified in KEY_EVS_PAYLOAD_TYPE_INT_ARRAY.

Codec attributes allowed as part of EVS codec are,

• KEY_EVS_CODEC_ATTRIBUTE_BANDWIDTH_INT
• KEY_EVS_CODEC_ATTRIBUTE_BITRATE_INT_ARRAY
• KEY_EVS_CODEC_ATTRIBUTE_CH_AW_RECV_INT
• KEY_EVS_CODEC_ATTRIBUTE_HF_ONLY_INT
• KEY_EVS_CODEC_ATTRIBUTE_DTX_BOOL
• KEY_EVS_CODEC_ATTRIBUTE_DTX_RECV_BOOL
• KEY_EVS_CODEC_ATTRIBUTE_MODE_SWITCH_INT
• KEY_EVS_CODEC_ATTRIBUTE_CMR_INT
• KEY_EVS_CODEC_ATTRIBUTE_CHANNELS_INT
• KEY_CODEC_ATTRIBUTE_MODE_CHANGE_PERIOD_INT
• KEY_CODEC_ATTRIBUTE_MODE_CHANGE_CAPABILITY_INT
• KEY_CODEC_ATTRIBUTE_MODE_CHANGE_NEIGHBOR_INT

Value: "imsvoice.evs_payload_description_bundle"

KEY_EVS_PAYLOAD_TYPE_INT_ARRAY

static val KEY_EVS_PAYLOAD_TYPE_INT_ARRAY: String

A list of integers representing the different payload types in EVS codec in priority order from highest to lowest.

Payload type is an integer in dynamic payload type range 96-127 as per RFC RFC 3551 Section 6.

Value: "imsvoice.evs_payload_type_int_array"

KEY_INCLUDE_CALLER_ID_SERVICE_CODES_IN_SIP_INVITE_BOOL

static val KEY_INCLUDE_CALLER_ID_SERVICE_CODES_IN_SIP_INVITE_BOOL: String

Flag specifying whether to send vertical caller id service codes (*67 and *82) in the dialed string in the SIP:INVITE.

If true, vertical caller id service codes *67 and *82 will be sent in the dialed string in the SIP:INVITE. If false, *67 and *82 will be removed.

Value: "imsvoice.include_caller_id_service_codes_in_sip_invite_bool"

KEY_MINIMUM_SESSION_EXPIRES_TIMER_SEC_INT

static val KEY_MINIMUM_SESSION_EXPIRES_TIMER_SEC_INT: String

Indicates the minimum value for the session interval in seconds. Represented as min-SE header field as per RFC 4028 Section 3.

This establishes the lower bound for the session refresh interval.

Value: "imsvoice.minimum_session_expires_timer_sec_int"

KEY_MO_CALL_REQUEST_TIMEOUT_MILLIS_INT

static val KEY_MO_CALL_REQUEST_TIMEOUT_MILLIS_INT: String

Specifies the timer value for INVITE to the first 1xx response (including 100 trying). If no response is received at timer expiry, call is redialed over CS.

Reference: 24.173 Table L.1

Value: "imsvoice.mo_call_request_timeout_millis_int"

KEY_MULTIENDPOINT_SUPPORTED_BOOL

static val KEY_MULTIENDPOINT_SUPPORTED_BOOL: String

Flag indicating whether Multi-end point setting is enabled or not.

Value: "imsvoice.multiendpoint_supported_bool"

KEY_OIP_SOURCE_FROM_HEADER_BOOL

static val KEY_OIP_SOURCE_FROM_HEADER_BOOL: String

Flag specifying whether the 'From' header field is used for determination of the originating party identity in Originating Identification Presentation(OIP) service.

If true: Indicates that the 'From' header field is used for determination of the originating party identity in OIP. false otherwise.

Value: "imsvoice.oip_source_from_header_bool"

KEY_PRACK_SUPPORTED_FOR_18X_BOOL

static val KEY_PRACK_SUPPORTED_FOR_18X_BOOL: String

Flag indicating whether PRACK must be enabled for all 18x messages.

If false, only 18x responses with SDP are sent reliably. If true, SIP 18x responses (other than SIP 183 response) are sent reliably.

Value: "imsvoice.prack_supported_for_18x_bool"

KEY_PREFIX

static val KEY_PREFIX: String

Prefix of all imsvoice.KEY_* constants.

Value: "imsvoice."

KEY_RINGBACK_TIMER_MILLIS_INT

static val KEY_RINGBACK_TIMER_MILLIS_INT: String

Specifies the ringback timer for Mobile originated calls.

Ringback timer starts when the device receives SIP 180 Ringing in response to its SIP INVITE. If Ringback timer expires, the device sends SIP CANCEL.

Value: "imsvoice.ringback_timer_millis_int"

KEY_RINGING_TIMER_MILLIS_INT

static val KEY_RINGING_TIMER_MILLIS_INT: String

Specifies the ringing timer for Mobile terminated calls.

Ringing timer starts when the device sends SIP 180 Ringing in response to a received SIP INVITE. If Ringing timer expires, the device sends SIP 486 response.

Value: "imsvoice.ringing_timer_millis_int"

KEY_SESSION_EXPIRES_TIMER_SEC_INT

static val KEY_SESSION_EXPIRES_TIMER_SEC_INT: String

Session-expires header field expressed in seconds as per RFC 4028 Section 3.

This establishes the upper bound for the session refresh interval.

Value: "imsvoice.session_expires_timer_sec_int"

KEY_SESSION_PRIVACY_TYPE_INT

static val KEY_SESSION_PRIVACY_TYPE_INT: String

Specify the session privacy type.

Reference: RFC 3323 Section 4.2, RFC 3325 Section 9.3.

Possible values are, SESSION_PRIVACY_TYPE_HEADER, SESSION_PRIVACY_TYPE_NONE, SESSION_PRIVACY_TYPE_ID

Value: "imsvoice.session_privacy_type_int"

KEY_SESSION_REFRESHER_TYPE_INT

static val KEY_SESSION_REFRESHER_TYPE_INT: String

Session Refresher entity as per RFC 4028 and IR.92 Section 2.2.8.

This determines, a) whether to include the "refresher" parameter b) Type of refresher" parameter in the Session-Expires header field of the SIP INVITE request.

Possible values are, SESSION_REFRESHER_TYPE_UNKNOWN, SESSION_REFRESHER_TYPE_UAC, SESSION_REFRESHER_TYPE_UAS

Value: "imsvoice.session_refresher_type_int"

KEY_SESSION_REFRESH_METHOD_INT

static val KEY_SESSION_REFRESH_METHOD_INT: String

This is used to specify the method used for session refresh.

Possible values are, SESSION_REFRESH_METHOD_INVITE, SESSION_REFRESH_METHOD_UPDATE_PREFERRED

Value: "imsvoice.session_refresh_method_int"

KEY_SESSION_TIMER_SUPPORTED_BOOL

static val KEY_SESSION_TIMER_SUPPORTED_BOOL: String

Flag indicating whether Supported header field with the option tag 'timer' is enabled or not.

If true, session timer support is available.false otherwise. Reference: RFC 4028 Section 3

Value: "imsvoice.session_timer_supported_bool"

KEY_SRVCC_TYPE_INT_ARRAY

static val KEY_SRVCC_TYPE_INT_ARRAY: String

List of different SRVCC types supported as defined in 3GPP 24.237.

Possible values are, BASIC_SRVCC_SUPPORT, ALERTING_SRVCC_SUPPORT, PREALERTING_SRVCC_SUPPORT, MIDCALL_SRVCC_SUPPORT

Reference: IR.64, 3GPP 24.237, 3GPP 23.216

Value: "imsvoice.srvcc_type_int_array"

KEY_VOICE_ON_DEFAULT_BEARER_SUPPORTED_BOOL

static val KEY_VOICE_ON_DEFAULT_BEARER_SUPPORTED_BOOL: String

Flag specifying whether voice is allowed on default bearer.

If true: voice packets can be sent on default bearer. false otherwise.

Value: "imsvoice.voice_on_default_bearer_supported_bool"

KEY_VOICE_QOS_PRECONDITION_SUPPORTED_BOOL

static val KEY_VOICE_QOS_PRECONDITION_SUPPORTED_BOOL: String

Flag specifying whether QoS preconditions are supported during call setup.

If true: QoS Preconditions are supported during call setup and 'precondition' tag is included in the SIP INVITE header and precondition parameters are sent in SDP as required.

If false: QoS Preconditions are not supported during call setup.

Reference: 3GPP TS 24.229

Value: "imsvoice.voice_qos_precondition_supported_bool"

MIDCALL_SRVCC_SUPPORT

static val MIDCALL_SRVCC_SUPPORT: Int

SRVCC access transfer for calls in mid-call phase as per 3GPP 24.237. and IR.64 Section 4.4.

This means UE supports the MSC server assisted mid-call feature. Media feature tag used: g.3gpp.mid-call.

Value: 3

OCTET_ALIGNED

static val OCTET_ALIGNED: Int

AMR NB/WB Payload format is octet-aligned.

Value: 1

PREALERTING_SRVCC_SUPPORT

static val PREALERTING_SRVCC_SUPPORT: Int

SRVCC access transfer for calls in pre-alerting phase as per 3GPP 24.237. Media feature tag used: g.3gpp.ps2cs-srvcc-orig-pre-alerting.

Value: 2

SESSION_PRIVACY_TYPE_HEADER

static val SESSION_PRIVACY_TYPE_HEADER: Int

Session privacy type is HEADER as per RFC 3323 Section 4.2.

Value: 0

SESSION_PRIVACY_TYPE_ID

static val SESSION_PRIVACY_TYPE_ID: Int

Session privacy type is ID as per RFC 3325 Section 9.3.

Value: 2

SESSION_PRIVACY_TYPE_NONE

static val SESSION_PRIVACY_TYPE_NONE: Int

Session privacy type is NONE as per RFC 3323 Section 4.2.

Value: 1

SESSION_REFRESHER_TYPE_UAC

static val SESSION_REFRESHER_TYPE_UAC: Int

Session Refresher entity is User Agent Client (UAC).

Type of "refresher" parameter in the Session-Expires header field of the SIP INVITE request is UAC.

Value: 1

SESSION_REFRESHER_TYPE_UAS

static val SESSION_REFRESHER_TYPE_UAS: Int

Session Refresher entity is User Agent Server (UAS).

Type of "refresher" parameter in the Session-Expires header field of the SIP INVITE request is UAS.

Value: 2

SESSION_REFRESHER_TYPE_UNKNOWN

static val SESSION_REFRESHER_TYPE_UNKNOWN: Int

Session Refresher entity is unknown. This means UE does not include the "refresher" parameter in the Session-Expires header field of the SIP INVITE request.

Value: 0

SESSION_REFRESH_METHOD_INVITE

static val SESSION_REFRESH_METHOD_INVITE: Int

SIP INVITE is used for Session Refresh

Value: 0

SESSION_REFRESH_METHOD_UPDATE_PREFERRED

static val SESSION_REFRESH_METHOD_UPDATE_PREFERRED: Int

Both SIP INVITE and UPDATE are used for session refresh.

SIP UPDATE will be used if UPDATE is in 'Allow' header. If UPDATE is not in 'Allow' header, then INVITE will be used.

Value: 1