Description This article describes the call disconnection issue in Grandstream FXO Gateway GXW410X and the steps to capture the logs for troubleshooting. Most of the time, we have seen that FXO Gateway does not detect busy tones correctly causing the calls to hang up. Case 1 :If there are no busy tones heard over the … Read more
Description If you face a buzzing sound issue when answering calls with a Grandstream Analog Telephone Adapter HT8XX series, here are the steps to work around the issue: How to The FXS port of the HT8XX ATA does not detect the OFF-HOOK action and stops the ringing. Here are some undocumented P values that may … Read more
Description This article describes the Grandstream FXS Gateway 16/24/48 port GXW42XX‘s front panel can be directly connected to the 24 ports (RJ11) from the Patch Panel. You can also use the 50 pins connector (Amphenol) that is terminated to MDF (Terminal Block).
Description GXW4501 is a digital VoIP gateway designed to connect digital T1/E1/PRI lines to an IP network, allowing businesses to take benefit of VoIP technology to reduce costs and improve efficiency. This article describes the connection issue between the gateway and IP PBX. Scenario GXW4501 is connected with a traditional PBX via the E1 port … Read more
Description This article describes the behavior when Grandstream Analog Telephone Adapter (ATA) is set in Bridge mode. When the ATA HT8XX series is configured in Bridge mode, the devices connected to its LAN port will behave similarly to any devices connected to a switch; they will obtain the IP addresses from the DHCP server and … Read more
Description This article suggests the settings for resolving the common issue – Unknown Caller ID in Grandstream ATA HT813. These parameters can be found under the FXO Port Page. 1. Adjust the Number of Rings from 1 to 4 2. Configure Caller ID Transport Type to Relay via P-Asserted-Identity if it is unable to detect … Read more
Description This article describes the issue of missing Caller ID when a call is made out from the PRI trunk to the SIP trunk via Grandstream GXW450X. Scenario E1 — GXW4502 — SIP Trunk (voipsyd06) A GXW450X is connected with a VoIP Trunk and an analog PABX on E1. When the analog PABX makes an … Read more
Description This article describes the recommended fax settings for Grandstream Gateways and ATAs. The suggested parameters may not apply to all environment setups. Recommendations Click Update and Apply, followed by a reboot. Troubleshooting and Logs On the Advanced Setting tab, please configure: – Syslog Server: IP of the PC with Wireshark – Syslog Level: Extra DEBUG – Send SIP Log: yes – Save and … Read more
Description When making outbound calls, the users may hear a ‘beep’ sound before ringing back or a call is established via HT8XX. Cause The ‘beep sound’ is part of the call waiting caller ID alert signal. The ‘Broadsoft’ feature requires the device to update “connected line ID” to the analog phone, upon receiving 180 Ringing. … Read more
Description FXS (Foreign Exchange Station) gateways and ATA (Analog Telephone Adapter) devices have specific port limitations that can vary based on design and intended use. Here’s a brief overview of short and long-haul ring load limitations: Short Haul vs. Long Haul FAQs