SIP provider


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SIP provider

An organization that provides voice over IP (VoIP) service and enables calling from SIP phones to plain-old-telephone (POTS) lines and vice versa. SIP is the universal protocol used for Internet telephony, and there are more than a hundred SIP providers worldwide that provide the POTS/SIP conversion.

Inbound - SIP Origination/SIP Trunking
SIP origination allows a POTS telephone number to be dialed and answered by a SIP phone. SIP providers have thousands of local phone numbers in local area codes that can be assigned to their subscribers, and subscribers can allow their customers to phone them toll free from different parts of the country. Family and friends of subscribers can also take advantage of the local phone number. In addition, when switching service from a landline to a VoIP line, the landline number can often be ported to the SIP line.

Outbound - SIP Termination
SIP termination lets subscribers call cellphones and landlines from their SIP phones. The rates vary depending on country and provider. See SIP, SIP trunking and VoIP.
References in periodicals archive ?
fring compatibility with SIP providers allows mobile users to save money by communicating through their operator's data package, using their choice of VoIP provider rather than traditional more expensive "talk" airtime.
4PSA is continuously searching for SIP providers that are able to deliver the best experience to its customers.
Operators and SIP providers joining the Nimbuzz affiliate program will also benefit from new revenue streams and exposure to the community of Nimbuzz subscribers in over 200 countries.
For example, SIP providers can offer flexible PSTN number ranges to businesses that are now non-geographic dependent, such as local-rate numbers, and this can help to promote the attractiveness of a business to the market.
Every Nimbuzz Android download now presents the VoX logo as the second icon on the SIP providers list within the installed Nimbuzz application.
IPitomy is happy to add VoicePulse to our growing list of qualified SIP providers," says Nick Branica, President and CEO of IPitomy.
This will enable SIP deployments to be standardized across the network, thereby ensuring higher interoperability with SIP providers.
The is-phone technology generates new business and competitive advantages for carriers and is licensed to leading SIP providers (OEM).