C-5
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)
OL-3410-01
Appendix C Cisco ATA Specifications
SIP Compliance Reference Information
SIP Compliance Reference Information
Information on how the Cisco ATA complies with the IETF definition of SIP as described in RFC 2543
is found at the following URL:
http://www-vnt.cisco.com/SPUniv/SIP/documents/CiscoATASIPComplianceRef.pdf
Voice features
• Voice activity detection (VAD)
• Comfort noise generation (CNG)
• Dynamic jitter buffer (adaptive)
Voice-over-IP (VoIP) protocols
• H.323 v2
• SIP (RFC 2543 bis)
• MGCP 1.0 (RFC 2705)
• MGCP 1.0/network-based call signalling (NCS) 1.0 profile
• MGCP 0.1
• SCCP
Table C-6 Software Specifications (All Protocols) (continued)
Description Specification