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Frequently Asked Questions
(Using VOIP/SIP
for Voicent) SIP related Knowledge Base Articles SIP stands for Session Initiation Protocol, which is a standard for making phone calls over the internet (VOIP). To make phone calls over the internet, you do not need any telephony hardware, all you need is a SIP softphone. A softphone is just a piece of software with a telephone-like user interface. There are many free SIP soft phones (such as X-lite) available on the Internet. When SIP is used for Voicent software, each line is started as a SIP soft phone. So as long as you can use a softphone to make a phone call, you should be able to use Voicent software. 2. Can I call landline or cell phones using SIP? Yes, but you need 1) a VOIP service that offers SIP termination (link calls from VOIP to landline or cell phone), or 2) a SIP compatible PBX system. Either one provides a bridge between the VOIP network and the traditional phone network (PSTN). When a call is make from a softphone (or Voicent software), the call is first made to your SIP termination service provider or SIP Compatible PBX system, which in turn calls the landline phone; once connected, the SIP softphone is connected to the landline phone. 3. Call landline phone or cell phone call my SIP softphone/device? Yes, but you must have: 1. a DID number (DID stands for Direct Inward Dialing Number). Some VOIP/SIP service providers include DID number. You can also find company offer free DID service; or 2. a SIP Capable PBX system 4. Can Voicent make simultaneous phone calls with SIP? Yes. You can use one SIP account for multiple lines if your SIP provider supports multiple channels; or use different SIP account for different line. 5. Where can I find SIP service providers? Can you recommend one? Please search Google for "SIP Termination", "SIP Trunking", or "SIP service". You can find plenty of them online. We currently do not have a recommended SIP service provider since the SIP capability is just added in release 7. Once we have more customer feedback, we'll publish the list here. For now, look for VOIP/SIP service provider that provides at least: 1. SIP Termination (to call regular landline or cell phone) 2. Support multiple channel for one SIP account. In order to support call transfer to a regular phone, you need one channel for outbound call, and another channel to the transferred number. Examples of SIP service: rapidvox, callcentral, callwithus, Gradwell, DiamondCard, RingCentral. If you have trouble setting up your VOIP service with Voicent, we can help you test it. Simply send your account information to support @ voicent . com. After we test it, we'll let you know the correct SIP settings and you can then change your account password. 6. How do I configure Voicent for using SIP?
Please see: Voicent and SIP. 7. How do I specify phone numbers to call? For regular telephone numbers, specify the full 11 digit number including the area code and country code. For example, 1 408-725-7578, where 1 is the country code used by Skype for US phone numbers. You could ignore the country code 1 and specify 10 digit number (408-725-7578) when the dialing rule on Voicent Gateway is set to add 1 to 10 digit number. (Gateway > Setup > Option > Outbound). For SIP user, use the prefix sip: followed by the SIP user ID. For example, sip:myaccount@mysipprovider.com. Please replace myaccount and mysipprovider with the correct value. 8. How many lines can I have on one PC using SIP? You can have as many lines as your computer allows. The more CPU power and more internet bandwidth you have, the more lines your computer can support. Please see Hardware Requirements when using SIP. 9. What's the difference between SIP and Skype? Both are VOIP services. SIP is an industry standard and has many providers. Skype used proprietary technology and is a closed system. Skype is in the process to support SIP also. 10. How do I setup my SIP Caller ID display? Maybe. This depends on your VOIP service provider. 11. Can I record by phone using SIP? Yes. Just follow the Record by Phone steps, and call in using a SIP softphone. If you have a DID service, you can call in using a regular landline phone or cell phone.
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