I started dealing with VOIP six years ago and started with cards. I used to make long-distance calls to Russia and Germany, the connection was very poor, the voice was being distorted and I could hear constant screeching noises. That was worse than I expected.

A lot of water has passed under the bridge since that time. Channels have been widened. I tried using Skype and that appeared to be pleasing but some Skype’s drawbacks, however, made me realize the need of an alternative.

Skype has some disadvantages: 1. No alternative clients are provided in case the protocol is closed; 2. A p2p-based protocol, which means you could have outside traffic: if you pay your provider on the consumed traffic basis, that outside traffic might prove a considerable challenge for your finances; 3. Skype charges more than these of SIP providers for stationary and mobile phone calls; 4. All the Skype’s options as regards integration in the existing PBX have been lacking the necessary functions and haven’t been very easy-to-use, however it’s not very practical to splash out on a separate mobile phone or computer for Skype’s sake only.

In addition to Skype, SIP is a good choice, too. SIP means Session Initiation Protocol. It is not a voice transmission protocol but an option to direct the data transmission sessions. Type of transmitted data is localized by a separate SDP (Session Description Protocol). It works together with SIP. Further information can be accessed, for example, at Wikipedia.

I haven’t considered all the hardware solutions, but there is a good deal of them. Software options enabling one to use SIP are just as numerous as the hardware ones.

All the current IP-PBX systems are SIP-compatible. Using SIP such big corporations as Cisco produce their own versions for big corporations and intermediate companies.

I chose my provider rather quickly. So I went for UcallWeconn, as it provides its clients with just the service level one might expect from a company. UcallWeconn enables common users to use the services on the VISA-prepaid basis, while business clients have to make a contract, sign the SLA and pay the services on a bank-basis.

Another consideration in favor of this particular provider is that it copes surprisingly well with providing the services for home Internet users, which suggests that they access the Internet via a domestic router substituting NAT.

Are you looking for cheap voip reseller rates? Ask UcallWeconn for the cheapest rates. You can also buy international telephone number online.

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