Phone Configuration and Troubleshooting

Factory Reset & Configure Cisco SPA300/500 Series (or Provision New Phone)
NOTE:  If you were given a link to these directions in response to a ticket there will be a URL in that message which you will need in order to complete thi...
Tue, Mar 3, 2015 at 8:20 PM
Sonicwall router configuration
If not properly configured, your phones may exhibit the following symptoms: Randomly fail to ring for incoming calls, though you can call out. Call...
Mon, Aug 6, 2018 at 1:59 PM
Factory reset & configure Grandstream phones and devices (current models)
DO NOT do this unless you have specifically been advised to.  This will render your phone inoperable until the reconfiguration is completed.  This is NOT a...
Thu, Jul 16, 2020 at 2:41 PM
Phones randomly ring with unusual caller ID
Symptoms:  A phone will randomly ring, or ring at a set interval such as every three minutes.  It shows an unusual caller ID, and the call either can'...
Wed, Feb 10, 2021 at 11:19 AM
Provisioning a Grandstream Phone
Grandstream GXP2160/2140/2130/2124/2100/1625/1450/1405 The menu names used in the steps below might be slightly different if you have anothe...
Wed, Sep 28, 2016 at 3:22 PM
Basic troubleshooting
If you have one phone that doesn't work properly, please try the following steps. 1.  Reboot the phone.  Many times this will clear the issue and ...
Wed, Jan 20, 2021 at 10:29 AM
Phones don't receive calls (calls go directly to voicemail)
Many older or inexpensive home and small office routers don't handle VoIP phone traffic properly.  This does not apply to our managed services or most e...
Wed, Aug 1, 2018 at 10:46 AM
Factory reset & configure Grandstream phones and devices (older models)
DO NOT do this unless you have specifically been advised to.  This will render your phone inoperable until the reconfiguration is completed.  This is NOT a ...
Fri, May 19, 2017 at 9:58 AM
Configuring an Obihai ATA (fax adapter)
These adapters are usable for FAX, some alarms, and most other analog devices.  They effectively replace an analog line for most needs.  We do not fully sup...
Thu, Mar 21, 2019 at 9:23 AM
Locking the ringer volume on a phone
This applies to all current Grandstream phone models such as the GXP2130, 2140, and 2160.  It also applies to some older models, but the menus may look diff...
Wed, May 2, 2018 at 3:46 PM