1. Built-in Modem or without built-in Modem function 2. Following H.323 version 4 standard/RFC-3261SIP standard 3.Support G.723.1(6.3k/5.3k), G.729A/B, G.711(A- law/U-law) voice codecs. 4. Support H.
1.2 analog trunk ports, 4 analog extention ports 2. softswitch built-in, support 4 to 16 IP phones 3. IP enhanced PBX with softswitch embedded 4. VoIP and various network services 5. support both GK
1.2 analog trunk ports, 4 analog extention ports 2. softswitch built-in, support 4 to 16 IP phones 3. IP enhanced PBX with softswitch embedded 4. VoIP and various network services 5. support both GK
1. total 32 analog ports 2. softswitch built-in, support 4 to 64 IP Phones 3. IP enhanced PBX with softswitch embedded 4. VoIP and various network services 5. support both GK and IP direct mode 6. hy
1. total 32 analog ports 2. softswitch built-in, support 4 to 64 IP Phones 3. IP enhanced PBX with softswitch embedded 4. VoIP and various network services 5. support both GK and IP direct mode 6. hy