Codecs

• ADPCM
• G.711 (A-Law & µ-Law)
• G.722
• G.723.1 (pass through)
• G.726
• G.729 (through purchase of a commercial license)
• GSM
• iLBC

Protocols

• IAX™ (Inter-Asterisk Exchange)
• H.323
• SIP (Session Initiation Protocol)
• MGCP (Media Gateway Control Protocol
• SCCP (Cisco® Skinny®)
• Traditional Telephony Interoperability
• FXS
• FXO
• DTMF support
• PRI Protocols

Your calls continue uninterrupted with full or part time fail-over service from Cool Telecom. This system allows you to enjoy the same type of redundancy your local land line companies can offer but without the high monthly bill.