Specifications

310HD, 320HD and 420HD IP Phones
Administrator's Manual 274 Document #: LTRT-09910
RFC Number RFC Title
draft-ietf-sipping-realtimefax-01
SIP Support for Real-time Fax: Call Flow Examples
draft-choudhuri-sip-info-digit-00
SIP INFO method for DTMF digit transport and
collection
draft-mahy-sipping-signaled-digits-01
Signaled Telephony Events in the Session Initiation
Protocol
Note: The following SIP features are not supported:
• Preconditions (RFC 3312)
• SDP - Simple Capability Declaration (RFC 3407)
• S/MIME
• Outbound, Managing Client-Initiated Connections (RFC 5626)
• SNMP SIP MIB (RFC 4780)
• SIP Compression – RFC 5049 (SigComp)
• ICE (RFC 5245)
• Connected Identity (RFC 4474)