Gateways and ATAs   FXO Gateways and ATA's (GXW 4100, and HT 503)

Firmware for HT503 released as official (2)

Dear Grandstream Customers, Firmware for HT503 is now released as official. Here is the link to the release notes: The firmware and release note…

About the FXO Gateways and ATA's (GXW 4100, and HT 503) category (1)
Grandstream GXW4104 can't detect hung up (6)
HT503-HT502 VoIP gateway (16)
Missed Calls Keep Ringing (9)
GXW4104 to FreePBX Caller ID issue (9)
Outbound calls not working with GXW4104 and UCM6302 ( 2 ) (31)
Gxw4104 is this the correct device to use? (2)
Peer to Peer setup and FXO issues HT813 and HT802 (2)
Gxw410x and pjsip (5)
Help we need file CSV for GXW4104 for add to Grand stream UCM630 by zero config for used as sip (5)
GXW4104 Multiple Registration (14)
GXW4104 and FreePBX - Incoming Calls Not Hanging Up / No Caller ID (12)
FXO GXW4104 audio issues (2)
"FXO Line Error"? (2)
SIP pbx requests update in call flow, GXW4104 replies with a malformed 200 response, sip pbx hangs up (7)
GXW4104 FXO incoming calls not ringing/forwarding calls (5)
Speed Dial with HT 487 (3)
Intermittent CHANUNAVAIL from GXW4104 (1)
FXO Failover Options (2)
GW4104 + freepbx 13 (2)
GXW4108 outbound dialing (6)
HT813 connected to a Yeastar S-100 (6)
Gxw4108 update firmware (13)
Immediate Connect (Answer) after dialling (1)
GXW4108 connected to UCM6208 (1)
GXW410X - 10 digit calls work, 7 digit calls fail (1)
Caller ID not recognized in GXW4104 (3)
GXW410X Using LAN and WAN port for HA (1)
GXW4104 Firmware (2)