Pro is tailored specifically for small and medium enterprises embedded telephone system, Pro to PSTN line (telecommunications line) and the perfect combination of VoIP networks, not only the efficient control of the communication costs, while also ensuring the user power or network outages do not interrupt the call to maintain more stable use of the telephone system. Pro is a fusion of implementation, that combines a traditional phone system, VoIP technology applications, ideal for small and medium enterprises / branches bypass long-distance telephone, PBX interconnection and expansion, and other VoIP applications. The number of users: 100 concurrent calls (max.): 22 voice mail capacity: 4000 min Interface: supports up to 16 analog ports (outside mouth / inside the mouth); Up to 4 GSM ports; (Quad-Band GSM/GPRS850/900 / 1800/1900MHz) supports up to eight BRI ports; Flash Memory: 512 MB Onboard Flash Memory: 128 MB RAM Onboard LAN port: 1 (10/100Mbps) WAN port: 1 (10/100Mbps) Dimensions: length x width x High (440x175x45 mm) (1U rack) Weight: 2500g Power: 90V ~ 265V, 50Hz ~ 60Hz 1.5A MAX Protocol: SIP (RFC3261), IAX2 voice coding: G.711, GSM, SPEEX, G.722, G .726, ADPCM, G.729 A, H261, H263, H263p, H264, MPEG4. DTMF: inband, RFC2833, SIP INFO indicator: Red on behalf of the port FXO or GSM, Orange on behalf of BRI port, Green said the FXS port. Network support: PPPoE, DHCP client, static IP address; DHCP server, VLAN. Multi-language support.
