- IP-Phones comes with H323 or SIP protocol seperately
- Fully tested with H323 and SIP providers
- Support codec: g711a, g711u, g729, g723
- DTMF: In-band and Out-band (RFC2833) (SIP INFO)
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- ET-747 (standalone) RRP: $165 GST excl. ($181.5 GST incl.)
============================== Justin Hsu Email: justin.hsuATlebenton.com