Category: Technical

Business Telecoms and Business Internet Insights

SIP ALG and why you may need to disable it

SIP ALG stands for Session Initiation Protocol Application Layer Gateway. SIP ALG was intended to resolve specific issues that may be encountered when making calls over the internet. It attempts to resolve issues by modifying the data packets that make up the call traffic. SIP ALG is found on the majority of routers and firewalls and some […]

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A history of the telephone

A History of the Telephone

The person who is most widely credited for inventing the telephone is the Scotsman Alexander Graham Bell. Born in Edinburgh, Bell emigrated to Canada and then moved to Boston, USA in 1872. Bell was a teacher for the deaf, which led him to become interested in the production of sounds. This led to a study […]

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