Detailed Product Description

SunComm SC-2200A/SC-2100A Analogue Telephone Adaptor is equipped with two telephone jacks to connect existing phones or fax machines. Each phone jack operates independently, with separate Internet Telephone Service and phone numbers.  With an appropriate Internet telephone service provider, you'll get clear telephone reception and reliable fax connection, even while using the Internet at the same time for normal data operations.This Telephone Adapter is compatible with these and all of the other special telephone features such as Call Transfer, Call Waiting, Call Forwarding etc. Besides, our Analogue Telephone Adaptor supports iLBC so that basic voice quality is higher than G.729A, high robustness to packet loss.

1.       Telephony Specification:

²           Voice Codec: iLBC (internet Low Bitrate Codec),G.711(A-law /μ-law), G.729 AB, G.723 (6.3 Kbps / 5.3Kbps), G.276 (16,24,32,40 Kbps)

²           FAX support : T.38 FAX Relay,G.711 Fax pass-through

²           SIP Session Timer Support

²           P-Asserted-Identity header Support (Optional)

²           Call Waiting

²           Call Hold/Resume

²           Call Transfer: Blind Transfer / Attended Transfer

²           Call Forward: On Busy Forward / No Condition forward / No Answer Forward

²           Call Screen: Incoming Call Screen (Reject or Forward Incoming Call) / Outgoing Call Screen (Blocking Outgoing Call)

²           Multi-Line Appearance

²           DTMF Relay : In-band DTMF Relay / Out-of-band DTMF Relay (RFC2833)

²           3-Way Conference

²           Peer-to-Peer SIP Call by Dial Plan

2.       IP Specifications:

²         SIP (RFC 3261) , SDP (RFC 2327), Symmetric RTP, STUN (RFC3489), ENUM (RFC 2916), RTP Payload for DTMF Digits (RFC2833), Outbound Proxy Support                            

²           LAN :NAT, DHCP Server

²           WAN: PPPoE client, DHCP client, Fix IP Address

²           Network Address Translation: Providing build-in NAT router function.

²           Static Routing

²           Virtual Server

²           QoS: IP TOS (IP Precedence) / DiffServ

²           Data / Voice VLAN Priority