- Signaling Protocols
- Supports SIP UA, IMS SIP UE, SIP I+T, SIGTRAN, MGCP, NCS, H.248/Megaco, H.323, Avaya's H.323, Cisco's SCCP (Skinny), QSIG, Clear Channel (No Call Control), and Nortel's UNIStim
- Transport over UDP and TCP, IPv4 and IPv6, and TLS for secure transport
- Unique endpoint emulation using IP address, MAC address, and VLAN tagging
- Mixed protocol configurations supported
- Media Capability
- G.711 A/µ-law, G.722, G.722.2 (AMR-WB), G.723.1***, G.726, G.729A, GSM-AMR (AMR-NB), GSM-EFR/FR, EVRC0, iLBC, Speex, RFC 2833, and user-defined codecs for voice and tones
- H.263/H.263+, H.264 (MPEG-4 pt. 10) including HD (720p and 1080p resolution), and MPEG-4 pt.2 codecs for video
- T.38 Fax
- T.30 Fax pass-thru
- Silence suppression detection using RFC 3389, G.723.1A, and G.729B
- Multiple true voice and video clips
- Unique DTMF string validation on every channel
- Reference-based voice quality using ITU-T P.862.2 (PESQ*) and MOS (MOS-LQO)
- Non-reference-based voice quality using E-model (R-factor) and MOS (MOS-LQE) with up to 5 mapping scales
- Non-reference-based video quality with MOS-V
- Advanced speech recognition**
- Full RTP, Secure RTP (SRTP), and RTCP metrics for every call
- Narrowband and Wideband codecs for media with VQ
- Scalability
- Scales to around 300,000 endpoints
*PESQ® software included in this product is protected by copyright and by European, US and other patents and is provided under License from Psytechnics Limited. "PESQ" is a registered trade mark of Psytechnics Limited.
**Speech recognition technology provided under license from Nuance Communications, Inc.
***France Telecom G.723.1 patents license