Sonim Supported Standards and Protocols
3GPP/3GPP2/IETF & OMA PoC 1.0 Compliant
Sonim solutions are fully compliant with 3GPP/3GPP2/IETF/OMA PoC 1.0 standards and work across GPRS/EDGE/WCDMA, CDMA/CDMA 2000 networks.
SIP (Session Initiation Protocol)
Sonim PoC calls are established using the standard SIP protocol (RFC3261), also compliant with the IMS standards.
SIMPLE
Sonim presence and availability information is delivered via the SIMPLE protocol, a SIP extension defined by IETF and 3GPP.
XCAP
Sonim address books are created, edited and deleted via XCAP, an XML extension adopted by OMA for contact list interoperability.
RTP/RTCP
The VoIP transport protocol used for the Internet – and now even wireless.