SIP West for SIP Trunking

---

What is SIP Trunking? SIP stands for session initiation protocol. SIP is a protocol (set of formal rules) that provides the basic signals used to initiate, manage, and terminate communications sessions across all media – voice, data, video and mobile. What are the Benefits of SIP Trunking? Location Independence Traditional voice is attached to a physical location. SIP VoIP allows call routing to any IP address worldwide, including home offices and soft phones. Pure IP Connection A SIP Trunk is a VoIP trunk that uses SIP for session control, creating a Pure IP connection. This is important for 3 reasons: The VoIP trunk is now a SIP trunk, which can handle multi-media (voice data, video and mobile). The circuit-switched hand-off to the PSTN is not needed. This lowers costs – fewer hardware interfaces, fewer PSTN circuits and fewer hardware interfaces to maintain. Direct SIP trunking to IP PBXs and soft switches means no additional hardware to achieve end-to-end VoIP.

SIP West provides SIP Trunking solutions that bring advanced VoIP features to existing PBX phone systems. With SIP Trunking, you get the benefits of VoIP without the cost and hassle of replacing your phone system.

Cost-Related Benefits

• Eliminate or reduce capital purchase costs of hardware media gateways
• Eliminate or reduce ongoing support and maintenance costs of hardware media gateways
• Eliminate or reduce administrative overhead associated with management of media gateway assets
• Reduce recurring costs for multiple circuits (some dedicated to voice, some to data)
• Reduce over subscription of voice channels

Additional Benefits

• Increase flexibility to meet business requirements with a selection of voice channels
• Free up resources for other functions by reducing IT/telecom overhead
• Increase call quality among IP-based entities
• Improve call handing flexibility/efficiency with a DID (Direct Inward Dial) line for every employee
• Allow complete management of in-house calling plans and integration of communications with business applications

Key Features

Phone Number Porting
SIP West's Phone Number Porting services allow you to keep your existing phone number when switching to a new VoIP service even if you switch phone companies. This not only ensures that you never miss a call, but also helps you avoid the cost and time associate with changing phone numbers.

Nationwide Phone Numbers
SIP West can help you quickly and easily add additional lines to accommodate additional staff or office locations.

Remote Phone Numbers
With SIP West, you can have phone numbers in remote locations without having a physical presence. This way, you can have a local phone number other cities or states, but it still rings to your primary phone number.

Toll-Free Phone Numbers
SIP West can provide your business with toll-free phone numbers that meet your business needs.

E911/911 Service
If you are replacing your traditional phone service with VoIP, SIP West can provide you with E911/911 registered emergency services.

411 Service
SIP West can provide access to Directory Assistance via 411 from VoIP phone systems.

Domestic Termination
When you replace your traditional phone service, you will need to be able to talk VoIP to PSTN (traditional phone). SIP West provides PSTN connections for all calls terminating in the United States through a SIP interface. With SIP West, you will experience exceptional voice quality whether you are talking VoIP-to-VoIP or VoIP to traditional phone, because SIP West has direct routes and utilizes multiple redundant carriers for Domestic Termination.

International Termination
SIP West has direct routes and utilizes multiple redundant carriers for International Termination. We provide you with PSTN connections so you can pick up your phone and call anyone anywhere in the world. And, you will have superior voice quality whether you are talking VoIP-to-VoIP or VoIP to traditional phone system.

Worldwide Origination
SIP West allows you to make calls from anywhere in the world. With our worldwide origination, you can use VoIP no matter where you travel, as long as you have a high-speed Internet connection. All you have to do is bring you SIP phone or ATA adapter with you and plug it into any broadband connection. Not only are you able to call anyone from anywhere, but you will no face outrageous long distance or international rates. You can even have people call you where you are using the local number associated with the phone.