The first time I came across VOIP six years ago, I dealt with cards. I used to make phone calls to Russia and Germany, the connection was very poor, the voice was being interrupted and the background was like constant screeching noise. I was dissatisfied with that.
A lot has changed since that time. Channels have become wider. I tried using Skype and that appeared to be pleasing but certain Skype's disadvantages, however, made me start thinking of an alternative.
Skype has a number of 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 turn out to be a considerable challenge for your finances; 3. Skype's services cost more than these of SIP providers for stationary and mobile phone calls; 4. All the Skype's solutions in relation to its integration in the existing PBX have been lacking the necessary functions and haven't been very user-friendly, on the other hand, it's not very practical to buy 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 a way to direct the information 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 pondered over all the hardware solutions, but they're aplenty. Software options enabling one to use SIP are quite as diverse as the hardware ones.
All today's IP-PBX systems are SIP-compatible. Using SIP such big corporations as Cisco produce their own versions for major corporations and intermediate firms.
I opted for my provided rather quickly. So I opted for UcallWeconn, as it provides its users with just the service level one might expect from a company. UcallWeconn gives a common client an opportunity to use the services on the VISA-prepaid basis, while companies are bound to make a contract, sign the SLA and pay the services on a bank-basis.
Another argument in favor of this specific 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.
A lot has changed since that time. Channels have become wider. I tried using Skype and that appeared to be pleasing but certain Skype's disadvantages, however, made me start thinking of an alternative.
Skype has a number of 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 turn out to be a considerable challenge for your finances; 3. Skype's services cost more than these of SIP providers for stationary and mobile phone calls; 4. All the Skype's solutions in relation to its integration in the existing PBX have been lacking the necessary functions and haven't been very user-friendly, on the other hand, it's not very practical to buy 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 a way to direct the information 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 pondered over all the hardware solutions, but they're aplenty. Software options enabling one to use SIP are quite as diverse as the hardware ones.
All today's IP-PBX systems are SIP-compatible. Using SIP such big corporations as Cisco produce their own versions for major corporations and intermediate firms.
I opted for my provided rather quickly. So I opted for UcallWeconn, as it provides its users with just the service level one might expect from a company. UcallWeconn gives a common client an opportunity to use the services on the VISA-prepaid basis, while companies are bound to make a contract, sign the SLA and pay the services on a bank-basis.
Another argument in favor of this specific 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.
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