Description

The Grandstream GXW4501 Digital VoIP Gateway features 1 T1/E1/J1 span and supports 30 concurrent calls.
Designed to cater to the large and medium-sized enterprises by bridging the connection of PSTN and ISDN trunks and VoIP networks. This allows business to effectively and drastically increase the amount of PSTN/ISDN trunks integrated with their VoIP network.
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