جراندستريم بوابة الاتصالات عبر بروتوكول الإنترنت الرقمية ,Grandstream GXW4504 Digital VoIP Gateway features 4 T1/E1/J1 span and supports 120 concurrent calls

Grandstream GXW4504

The Grandstream GXW4504 Digital VoIP Gateway features 4 T1/E1/J1 span and supports 120 concurrent calls

 GXW4504 Features and Specifications

TLS and SRTP security encryption technology to protect calls and accounts

Software-configurable E1/T1/J1 port and supports PRI, SS7 and MFC R2

Dual Gigabit network ports with a configurable integrated NAT router

Supports up to 120 concurrent calls, multi-language voice prompts and T.38 fax

Automated provisioning by HTTPs/TFTP with XML config files

Supports nearly all popular voice codecs including G.722, G.729, iLBC, and more