The SBC supports Text over Internet Protocol (ToIP), including the inter-working between ToIP and the Text Telephone (TTY) protocols employed in Code Division Multiple Access (CDMA) wireless networks and wire-line VoIP networks (using Baudot).
The support is applicable for SBC deployments in virtual and cloud environments (I-SBC and D-SBC).
The following interworkings and related transcodings are supported:
Supported Interworkings and Transcoding
Interworking | Transcoding |
---|---|
T.140 to TTY |
|
T.140 to Baudot |
|
TTY to Baudot support | EVRC/EVRC-B to G711 |
Based on PSP configuration, the SBC has the capability to generate RTCP for T.140 pass-through media streams if RTCP is not received from other peer. The interval for which the SBC monitors the RTCP packets for T140 stream from endpoints are also defined. If RTCP is not received within the interval, the SBC starts RTCP generation.
For more information, refer to Packet Service Profile - CLI.