Configure GrandStream SIP Trunk.

Configure GrandStream 502 ATA with DIDForSale SIP Trunking Service. You can get the phone number from anywhere in US and point it to your GS 502 ATA anywhere in the world. There is not extra charge for routing calls to your ata.

FreePBX SIP Trunk Configuration

FREEPBX SIP TRUNK CONFIGURATION For creating a sip trunk between didforsale and your FreePBX system, first create a sip account from your didforsale account. For creating the sip account, log in to your didforsale dashboard, go to Interconnection > Manage SIP...

Free Phone Conferencing

DIDForSale is leading nationwide SIP Trunking service provider. Along with largest coverage and best rates our customer enjoy free conferencing services. Free conference call services allow you to meet by telephone with your customers, relatives or colleagues.

Changing Default SIP Port in Asterisk

*Try Risk Free for first month and know the DIDforSale SIP Trunking difference* Best asterisk sip provider Some of our key SIP Trunking features:- Special Intro Offer FREE First Month Get Started now ✓ Scale as per your need ✓ Flexible Pricing options to choose...

MATH Dialplan Function in Asterisk

Asterisk provides the MATH function to do mathematical operations from dialplan. It allows to perform mathematical operations between two parameters. The syntax for math function is MATH(expression,type) The operators supported by math function are...

Configure SIP Trunk on Grandstream PBX

For Configuring Grandstream PBX with didforsale, you need to create four sip trunks. Two trunks for incoming calls and two trunks for outgoing.   For creating trunks, go to PBX => VoIP Trunks => Create new SIP Trunk. Add the details as shown in below figure...