There are many benefits of using SIP Trunks on an Avaya IP Office Telephone System. There are both monetary benefits and technical benefits for each. Let’s take a look at both.

Many Monetary Benefits include:

• Lower per line cost
• Lower rates for Long Distance
• Lower rates for Inbound Toll Free Service
• Inexpensive Fax to Email
• Free In-Network calls to local and international locations
• No taxes or FCC Charges

Many Technical Benefits include:

• More control over call progress (SIP Messaging)
• Services can be split to Inbound and Outbound
• Free Caller ID with Name and Number
• Quick and easy disaster control
• Easy relocation of service
• Higher audio quality
• No audio loss when bridging lines for conferences
• Outgoing Caller ID control
• Easy DID integration
• On-Line access and control of services and features
• Time of Day Call Preferences / Control

Technical and Monetary Benefits will vary from each Service Provider.

So how do you connect your SIP Trunks to your Avaya IP Office Phone System?

There are several ways to connect your SIP Trunks. You will need 2 parts in your IPO System- VCM Channels and SIP Trunk Keycodes. VCM Channels are Avaya’s proprietary codec and are include on the Avaya IPO ATM Combo Card or a VCM 32 or VCM 64 Card. SIP Trunk Licenses can be purchased in quantities of 1, 5, 10 and 20. The Avaya IPO Partner Version comes with 3 SIP Trunk Licenses to start, while the Avaya IPO Essential Edition does not come with any to start and must be licensed.