We are studying to offer as solution for a customer a legacy central PBX (Avaya) and use in remote offices Asterisk PBX.<br><br>We are studying how to connect PBX using IP. We have fund a lot of references of H.323 integrations. We would want to know if there is any experience in integrating both PBX using SIP protocol (using the Avaya Sip Server).
<br><br>Regards,<br><br>Miguel Fernandez<br>