Tag Archives: SIP

Simple and useful asterisk commands…

Below i am going to document some simple and very useful commands for asterisk. These commands will help you gather important information that can help you diagnose an asterisk based system. First enter the asterisk console: asterisk -vvvvvvvvvr Global Commands … Continue reading

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Bandwidth Utilised for VoIP

Calculating the bandwidth used for VoIP may seem like a daunting task, however it is rather simple, especially after you’ve understood some principles. VoIP calls consists of 2 main parts. The call management section is the part which gets the … Continue reading

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How to Disable SIP ALG on a Thompson Router

SIP ALG is used to try and avoid configuring Static NAT on a router. Its implementation, however, varies from one router to another, often making it difficult to inter-operate a router with SIP ALG enabled with a PBX. In general, … Continue reading

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Configuring a Yealink Phone…

In this article, i am going to walk you through setting up a yealink phone, so that it can make and receive calls via a SIP/VoIP/TISP Provider. Plug the phone in to a DHCP enabled network, click on menu, status … Continue reading

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SIP/VoIP: Simple Trouble Shooting…..

In this article I am going to cover some simple and common steps that a user of a VoIP/SIP telephony system can do before calling they VoIP provider. No inbound calls: Firewall – Make sure the firewall is not blocking … Continue reading

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