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In this section:
The following interfaces are supported:
Support Mx interface; SIP signaling between
Support Mb interface; RTP media stream between the
Partially compliant. Sonus' solution supports RTCP and RTP media stream between the
User plane Traffic
Support UDP/TCP and RTCP
Supports SIP signaling between UE and P-CSCF (except for SIP signaling compression).
CSCF interact with ENUM/DNS for translation of E-164 numbers into routable SIP addresses.
Support Mw interface; P-CSCF interacts with I/S-CSCF via SIP-signalling shall be supported according to 3GPP TS 23.228 (Stage 2) and 3GPP TS 24.229 (Stage 3).
Partially compliant. Sonus supports Mw interface.
P-CSCF support of Rf interface as defined in 3GPP TS32.260, with respect to the content of CDR. Vendor support of Diameter on this interface.
The Rx interface supports the QoS resource reservation for reserving bandwidth in the IP access network. The Rx reference point is used to exchange application level session information between the Policy and Charging Rules Function (PCRF) and the P-CSCF. The SBC, acting as P-CSCF creates a TCP connection with the configured PCRFs