Why is my Grandstream phone not receiving calls?

Why is my Grandstream phone not receiving calls?

I can make Outgoing calls but I cannot receive any incoming calls? This is most likely due to intermediate device like Router/Firewall blocking UDP ports for SIP. Make sure you’re router or firewall has ports opened for SIP, RTP, etc like 5060, 5004.

How do I reset my Grandstream IP phone?

First, you can log into the web interface and click on the Reboot button on the top right hand corner to restart the unit. Secondly, you can select [MENU]→[Settings]→[Maintenance] →[Reboot] to reboot the unit from the LCD menu. The only hard restart method is to power cycle the unit.

Who manufactures Grandstream?

Founded in 2002, Grandstream Networks is a manufacturer of IP voice and video communications equipment, video surveillance, gateways and analog telephone adapters (ATAs), and Asterisk-based IP-PBX appliances….Grandstream Networks.

Type Private
Website www.grandstream.com

What means IP phone?

(Internet Protocol phone) A telephone that is used with voice over IP (VoIP) telephone services. The IP phone plugs directly into the Internet and converts voice into IP packets and vice versa. It has built-in SIP signaling and is used in conjunction with an IP PBX in an enterprise or a hosted VoIP service.

What is direct IP call?

Many phones support Direct IP calls allowing one VoIP phone to call another VoIP phone by dialling the destination phone’s IP address, without using a service like sipgate. Unwanted or nuisance Direct IP Calls are called SPIT calls (Spam over Internet Telephony).

How do I factory reset my gxp2130?

Press the MENU button. Once you are in the phone’s menu, scroll using the Left arrow key (4Times) until you get to System. Once the System Menu is highlighted press the MENU button. From there, you will then use your Down arrow key to select Operations – Factory Reset.

What is grandstream Followme?

Grandstream Networks, Inc. Follow me feature is a very useful feature to locate a user by ringing different extensions and external numbers in a pre-defined order. This feature allows users to be reached at numerous devices, such as mobile, home-telephone, office-telephone, or softphones.

What is Grandstream used for?

Grandstream Wave is a FREE softphone application that allows users to make and receive voice calls through up to 6 different business or residential SIP accounts on any Android™ device from anywhere in the world.

Where are Grandstream phones made?

Grandstream Networks is headquartered in Boston, Massachusetts, and has offices in Plano, Texas and Los Angeles, California in the US, and in Casablanca in Morocco, Valencia, Venezuela and Shenzhen, China. The company’s products are listed on its web site….Grandstream Networks.

Type Private
Website www.grandstream.com

Where is grandstream made?

We are a private corporation headquartered in Boston, MA USA with regional locations in Los Angeles, CA, Dallas, TX, China, Venezuela, Morocco, Malaysia, and Spain.