Network Specifications
  • Voice protocol SIP
  • SMS protocol SMTP, HTTP, SMPP
  • Codecs G711a, G711μ, G729, OPUS, G722, SPEEX
  • CLI E.164 CLI, localized CLI
  • DTMF RFC 2833, SIP info
  • Fax support T.38 TIFF, PDF over HTTP, SMTP
  • CPC IETF draft-mahy-iptel-cpc-06 (CPC in SIP header) CPC Tag in URI
  • Failover DNS SRV, backup URI
  • Redundancy DNS SRV
  • Encryption TLS
  • Other supported specifications RFC 3323 (Privacy mechanisms for SIP), RFC 5806 (Diversion indications in SIP)

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