Tag: voip

Sipura SPA-2002 Installation Guide

I bought Sipura SPA-2002 VOIP phone adapter about six years ago. When I clean up my folders of hardware documents, I saw this guide. To save the space and for reference purpose, I scan it and you can download it here. spa2002_guide.pdf [...]
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Security for VOIP

Information technology has seen a major development in this decade that has created more innovative products to make communication faster and cheaper than we expect. Internet telephony or the (VOIP) voice over internet protocol is one of the major development that has made voice transmission more clear, fast and [...]
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Another VOIP service provider – SmartVoip

From VoipStunt to poivY. Now I start to use SmartVoip. These three service providers are same compony with different name. And I also think they use same user database. Because when I try to use same name of VoipStunt on Poivy, it show me that the user name is [...]
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Improve VOIP traffic in WRT54G

Requirement: WRT54G Router, DD-WRT 24 Sp1 firmware. To improve VOIP traffic in the network, I put VOIP adapter mac address into the QoS features. * Under ‘MAC Priority’, enter the MAC Address of the device * Click ‘add’ * click ‘Save changes’ I put my SPA-2002 VOIP adapter at [...]
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SPA-2002 Daylight Saving Time setting

The phone connected with my VOIP adapter, SPA-2002, is always get the wrong time. You know, we live in North America, with Daylight Saving Time. The clock of phone will update depending on the time info from the VOIP adapter. Even I change the phone set time manually, it [...]
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VOIP codec choice

When use VOIP service with a VOIP adapter, you have to choose the codec. The codec is very important. Unsuitable codec will make your call intermittently. Codecs are settings used to fine-tune the audio compression of your VoIP devices. Different codec needs different bandwidth. The following protocol header assumptions [...]
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Home VOIP server is possible

I always thinking about to have a home-brewed VOIP server. Such as this one, Build a Skype Server for Your Home Phone System, it is a skype server, not exactly what I want, but still good. Through this Skype server, you can have a small phone system in your [...]
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