J1 Digital VoIP Gateway

Firmware 1.0.1.11 for GXW4501/4502/4504 released as official (2)

Dear Grandstream Customers, Firmware 1.0.1.11 for GXW4501/4502/4504 is now released as Beta. Here is the link to the release notes: The firmware and release notes can be downloaded from: Please contact us should…

Please Upgrade Immediately for Security Fix: Firmware 1.0.0.35 for GXW4501/4502/4504 Released as Official (2)

Dear Grandstream Customers, Firmware 1.0.0.35 for GXW4501/4502/4504 is now released as official. Here is the link to the release notes: http://firmware.grandstream.com/Release_Note_GXW450x_1.0.0.35.pdf Firmware 1.0.0.…

Welcome to the Grandstream Beta Club Forum for the GXW4501 E1/T1/J1 Digital VoIP Gateway (6)

4501 with SIP(PSTN) and NEC PRI(PBX) Routing Issues (3)

Dodo australia, grandstream 801t, account not valid ( 2 ) (24)

GXW4501 SIP to PRI call handoff long delay, 20 seconds (6)

Firmware 1.0.1.11 for GXW4501/4502/4504 released as Beta (3)

Firmware 1.0.1.10 for GXW4501/4502/4504 released as Beta (5)

Necesito ayuda, tengo problemas para llamadas salientes error 403 (5)

Can't make Outbound Call with GXW4501 from Mitel PBX (14)

GXW4502 - 488 Bearer capability not available (2)

Strange behavior incoming call GXW4501 (13)

Outbound trunks GXW4501 (8)

IPBXs with GXW4502 (2)