What is Codec?

A CODEC is an abbreviation for coder-decoder. Its a device that encodes or decodes a digital stream to transfer it over data network. Two basic operations of CODEC are:- To convert an analog voice signal to its equivalent digital form for easy transmition. Once the...

SIP Trunking requirements

Sip Trunking is a SIP (Session Initiation protocol) enabled phone line that is transferred over the internet. It is cost efficient way for businesses to get a flexible, functional, scalable phone system without any huge upfront cost. Often businesses are not prepared...

Monitor SIP Server

Monitor you SIP service with nagios. Nagios will check the service every minute and in case of any alert it can send email or sms to your phone.

5Ws of SIP TRUNKING

Transcript 1. 5 W’s of SIP TRUNKING Who? What? Where? When? Why? By DIDforSale 2. What is SIP Trunking? SIP stands for Session Initiation Protocol. It is a technology used for establishing a voice communication session over data network/internet. A SIP Trunk is the...

How do we help small business?

DIDForSale has helped our business grow rapidly, to areas outside our office’s region, through the creative use of their SIP trucking and ability to have phone numbers that are “local,” to nearly every region of the United States. Businesses and people like to deal...

How can I track Inbound Marketing?

Case Study: Unique Phone numbers to track Inbound Marketing. Company Name: www.cebodtelecom.com Services Offered: Cebod Telecom offers Cloud based office phone system with unlimited calling in US and Canada. Businesses pay only low monthly fee for telephone services...

Starting a VoIP Business

A Guide on Making Money with VOIP (PDF Version) A Guide on Making Money with VOIP VoIP (voice over Internet protocol) is one of the foundations of communication in the future as the demand for mobile devices capable of connecting through it continues to grow. In fact,...

Unlimited SIP Trunking

Two SIP Trunk allows business to make unlimited outbound/inbound calls to Canada and US lower 48 states, share the same line between multiple employees. You can still purchase virtual phone number anywhere in US, UK and Canada on the shared SIP Trunks. Our Unlimited SIP Trunks is perfect solution for business who have their own PBX.

SIP Trunking for dummies

Only tech savvy people are really taking the benefit of SIP Trunking. On the other side non technical business owners still don’t understand the power of SIP Trunking and how SIP Trunking can reduce their telephone cost.

How to Enable CNAM on DID

DIDForSale leader in Origination and Termination SIP trunking services, offers the largest Coverage in US, UK and Canada, now offers E911 service for the DIDs purchased through us. Here are easy steps to enable CNAM to your DIDs Login in your webportal at...

How to Enable E911

DIDForSale leader in Origination and Termination SIP trunking services, offers the largest Covergae in US, UK and Canada, now offers E911 service for the DIDs purchased through us. Here are easy steps to enable E911 to your DIDs E911 service is available only in USA...

Asterisk DTMF issues

Its a common issue with asterisk as it sometimes wont pass dtmf properly. To solve the issue first we need to check the network have sufficient bandwidth, if bandwidth is sufficient then we need to add below parameters on all didforsale trunks. Note that if you are...

Choppy lines or call breaks on asterisk

Choppy line is a common problem when we use sip signaling. The main reasons for the issues are Bandwidth, Codec, Lots of SIP trunks registered, Jitter. Basic checklist for Choppy Lines Check the Codec ULAW, ALAW or G729 is allowed on your trunks,If allowed try to use...

Asterisk one way audio issue

How to resolve one way or no audio issues Its a common issue with PBX to have audio issues like one way audio or no audio. Sometime only caller can hear remote party or remote party only can hear the caller. This is mainly because of NAT issues. We recommend to use...

Why DIDForSale is different

We want to take an opportunity to tell you why we believe we are better than our competitors. We provide phone number in 11,000+ Rate Centers We have the largest coverage in US, Canada and UK. Even more than Verizon, Level 3 and most of other cLEC Companies) For 95%...