Allstream SIP (session initiation protocol) Trunking is a VoIP protocol that lets your business simplify IT operations and save up to 40% on telecommunication costs.

SIP runs your voice traffic over a converged IP network, connecting directly to the PSTN (public switched telephone network), and eliminating the need for PRIs, most PBXs, or the costs of maintaining multiple networks.

SIP also provides the optimal network environment for advanced unified communications and collaboration technologies like audio & video conferencing, email to voicemail, single number reach, and more.

Why choose Allstream SIP Trunking:

• MPLS class of service enables prioritization of traffic to ensure quality and resiliency: reliable voice service free of jitter, latency or echo. 
• Simplified infrastructure means reduced equipment and maintanence costs,and improved scalability and flexibility  
• Voice and data convergence also simplifies business continuity & disaster recovery
• Virtual presence: callers can reach you by local number even in areas where you have no physical presence
• As the first provider in Canada to offer commercial SIP trunking, Allstream has the experience to deliver  

Download SIP Trunking Brochure (PDF)

Simplify the complexity of your network infrastructure.
Allstream IP Trunking connects your IP-based PBX to the PSTN at a single access point, regardless of how many remote offices your business maintains. By taking advantage of our high-bandwidth, high-performance network, you can:

• do away with multiple networks and PRI connections
• centralize your hardware in one location
• save your IT department time, money and management headaches

Gain the flexibility to meet changing needs.
IP Trunking gives your network scalable capacity, allowing you to increase or decrease the number of PSTN connections and associated bandwidth without installing additional PBX hardware – all using a single software application. You only pay for the bandwidth you need, whether you are:

• supporting special sales promotions and campaigns
• adjusting to accommodate fluctuating seasonal call volumes
• expanding your IP network – for instance, to add new offices
• consolidating remote sites
• moving to a new business location. 

Increase your geographical presence.
With Allstream IP Trunking, your organization can maintain presence in locations where you have no physical office space. You gain all the benefits of increased national scope while keeping long-distance charges under control. Customers and suppliers in Montreal, for example, can call a local number and be connected to your office in Toronto, Winnipeg, Vancouver or any other major centre across the country – at no cost to the caller.

Deliver a better customer experience.
IP Trunking makes it easier for your people to connect to each other and to customers via one secure, efficient network.

• Improve response times and your quality of customer care.
• Boost customer satisfaction levels while building long-term loyalty.

Overall costs savings:
By converging your internal and external communications onto a single network, Allstream IP Trunking can:

• save you up to 40% annually on equipment, long-distance charges and network operations
• reduce the effort and cost of connecting new office locations to the PSTN
• reduce your investment in future IP-enabled applications
• save IT staffing costs associated with maintaining and upgrading separate networks. 

Increase your network ROI:
Allstream can help you structure a plan that reaps the immediate benefits of IP Trunking while protecting your investment in legacy TDM-based PBXs. This phased migration to IP convergence reduces network costs while extending the value of your current PBX equipment.