User manual

Užívateľská príručka / User manual – ATK VoIP-202

1.2 ATK VoIP-202 Supported protocol:

• Support SIP (RFC3261, RFC2543)

• Support IAX2

• Support VPN

• Support Reverse polarity

• Support voice code: G711A/u, G729, G726, iLBC

• Support G.168 echo cancellation standard, compliant 96ms echo

cancellation with speaker

• Support Jitter Buffer, VAD, CNG, SIP/IAX2, domain name register,

point to point communication.

• Support the voice communication through RTP and RTCP.

• Support the DTMF Inbound/Outbound transmission; SIP info, DTMF

Relay, RFC2833

• Support standards of the ring in different countries and regions.

• NAT penetration, support STUN client, CITRON, AVS etc..

• Support SIP domain，SIP Authentication（none，basic，

MD5），Domain name explain

• Support SIP domain, SIP Authentication (none basic, MD5), domain

name parse.

• Support two SIP servers (Public Server / Private Server)

synchronously, make a call by either proxy.

• Support SIP application, including SIP Call

forward/transfer/holding/waiting.

• Support L2TP protocol