ZyXEL V630 User Guide - Page 149

Table 108, The following list, which is not exhaustive

Page 149 highlights

Chapter 18 Product Specifications Table 107 Firmware Specifications FEATURE DESCRIPTION Comfort Noise Generation Your device generates background noise to fill moments of silence when the other device in a call stops transmitting because the other party is not speaking (as total silence could easily be mistaken for a lost connection). Echo Cancellation You device supports G.168, an ITU-T standard for eliminating the echo caused by the sound of your voice reverberating in the telephone receiver while you talk. QoS (Quality of Service) Quality of Service (QoS) mechanisms help to provide better service on a per-flow basis. Your device supports Type of Service (ToS) tagging. This allows the device to tag voice frames so they can be prioritized over the network. Voice Codecs G.711 (64 kbps) , G.726 (16/24/32/40 kbps), G.729 (8 kbps) DTMF Out-of band (RFC2833) The following list, which is not exhaustive, illustrates the standards supported in the V630. Table 108 Standards Supported STANDARD DESCRIPTION RFC 1305 Network Time Protocol (NTP version 3) RFC 1321 The MD5 Message-Digest Algorithm RFC 1661 The Point-to-Point Protocol (PPP) RFC 2327 SDP: Session Description Protocol. RFC 2516 A Method for Transmitting PPP Over Ethernet (PPPoE) RFC 2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals RFC 2976 The SIP INFO Method RFC 3261 SIP: Session Initiation Protocol. (Updated by RFC3265, RFC3853) RFC 3262 Reliability of Provisional Responses in Session Initiation RFC 3263 Session Initiation Protocol (SIP): Locating SIP Servers. RFC 3264 An Offer/Answer Model with Session Description Protocol (SDP) RFC 3311 The Session Initiation Protocol (SIP) UPDATE Method RFC 3323 A Privacy Mechanism for the Session Initiation Protocol (SIP) RFC 3325 Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within Trusted Networks RFC 3389 Real-time Transport Protocol (RTP) Payload for Comfort Noise (CN) RFC 3420 Internet Media Type message/sipfrag RFC 3489 STUN (Simple Traversal of User Datagram Protocol (UDP) through Network Address Translators) server. RFC 3515 The Session Initiation Protocol (SIP) Refer Method. RFC 3550 RTP: A Transport Protocol for Real-Time Applications. RFC 3551 RTP Profile for Audio and Video Conferences with Minimal Control RFC 3581 An Extension to the Session Initiation Protocol (SIP) for Symmetric Response Routing. RFC 3665 Session Initiation Protocol (SIP) Basic Call Flow Examples V630 User's Guide 149

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Chapter 18 Product Specifications
V630 User’s Guide
149
The following list, which is not exhaustive, illustrates the standards supported in the V630.
Comfort Noise Generation
Your device generates background noise to fill moments of silence when
the other device in a call stops transmitting because the other party is
not speaking (as total silence could easily be mistaken for a lost
connection).
Echo Cancellation
You device supports G.168, an ITU-T standard for eliminating the echo
caused by the sound of your voice reverberating in the telephone
receiver while you talk.
QoS (Quality of Service)
Quality of Service (QoS) mechanisms help to provide better service on a
per-flow basis. Your device supports Type of Service (ToS) tagging. This
allows the device to tag voice frames so they can be prioritized over the
network.
Voice Codecs
G.711 (64 kbps) , G.726 (16/24/32/40 kbps), G.729 (8 kbps)
DTMF
Out-of band (RFC2833)
Table 108
Standards Supported
STANDARD
DESCRIPTION
RFC 1305
Network Time Protocol (NTP version 3)
RFC 1321
The MD5 Message-Digest Algorithm
RFC 1661
The Point-to-Point Protocol (PPP)
RFC 2327
SDP: Session Description Protocol.
RFC 2516
A Method for Transmitting PPP Over Ethernet (PPPoE)
RFC 2833
RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
RFC 2976
The SIP INFO Method
RFC 3261
SIP: Session Initiation Protocol. (Updated by RFC3265, RFC3853)
RFC 3262
Reliability of Provisional Responses in Session Initiation
RFC 3263
Session Initiation Protocol (SIP): Locating SIP Servers.
RFC 3264
An Offer/Answer Model with Session Description Protocol (SDP)
RFC 3311
The Session Initiation Protocol (SIP) UPDATE Method
RFC 3323
A Privacy Mechanism for the Session Initiation Protocol (SIP)
RFC 3325
Private Extensions to the Session Initiation Protocol (SIP) for Asserted
Identity within Trusted Networks
RFC 3389
Real-time Transport Protocol (RTP) Payload for Comfort Noise (CN)
RFC 3420
Internet Media Type message/sipfrag
RFC 3489
STUN (Simple Traversal of User Datagram Protocol (UDP) through
Network Address Translators) server.
RFC 3515
The Session Initiation Protocol (SIP) Refer Method.
RFC 3550
RTP: A Transport Protocol for Real-Time Applications.
RFC 3551
RTP Profile for Audio and Video Conferences with Minimal Control
RFC 3581
An Extension to the Session Initiation Protocol (SIP) for
Symmetric
Response Routing.
RFC 3665
Session Initiation Protocol (SIP) Basic Call Flow Examples
Table 107
Firmware Specifications
FEATURE
DESCRIPTION