VoIP Adapter Linksys SPA3000
1. VOIP Telephone Adapter with 1 FXS and 1 FXO Port 2. ATA Solution with a PSTN V oIP Gateway 3. SIPv2 Protocol v2 (RFC 3261, 3262, 3263, 3264) 4. Call Waiting, Transfer, Call Forwarding: No Answer / Busy / All 5. Call Return, Call Back on Busy, Call ...