جراندستريم هاتف ip يدعم تحويلتين لا يحتاج محول، Grandstream GXP1615 PoE IP Phone 2 SIP account

https://www.grandstream.com/hubfs/Product_Documentation/datasheet_gxp1610_1615_english.pdf

1 SIP account, up to 2 call appearances

TLS and SRTP security encryption technology to protect calls and accounts

3-way audio conferencing for easy conference calls

Electronic Hook Switch (EHS) support for Plantronics headsets

Automated provisioning options include TR-069 and XML config files

Full-duplex speakerphone with HD audio to maximize audio quality and clarity

Use with Grandstream’s UCM series of IP PBXs for Zero Config provisioning

Built-in PoE 802.3af to power the device and give it a network connection (GXP1610P/PGXP1615 ony)