SIP trunking for Contact Centers

For high volume customers, call centers, IVRs & voice broadcasting providers

Related image provides on-demand, premium call center voice origination and termination to call centers, IVR and voice broadcasting providers with short duration needs, specifically those using predictive dialers, auto dialers, voice broadcasting or robocalls. ByPhone’s high-performing switch and redundancy capabilities can handle exceptionally large amounts of concurrent calls without sacrificing quality. And unlike many other service providers, we actually complete our calls.

ByPhone is more than just a service provider – we provide a total A-Z customized solution to fit your specific and demanding needs. Your dedicated sales manager and ByPhone’s engineering experts are involved throughout the entire process and lifespan of the solution.

Responsiveness is crucial to modern customer experience management. As you integrate more communications tools and implement CTI, agents are no longer confined to one location. Volumes fluctuate but bottlenecks and dropped calls are as unacceptable as overspending on channels.

By-P is the highly-reliable, scale on-demand phone service you need to ensure CSRs are available for every call. Advanced SIP packets deliver the data you need to manage your queue and your workforce. Audio transmission is streamlined to optimize customer experience with high-quality audio.


By-P’s intuitive, web-based Account Manager gives you access to burstable cloud-based telephone service that delivers the power of real-time call records, detailed cost accounting, granular control, and premium quality audio. And with the reliability built into our platform, contact centers forget we’re even there. Qualified contact centers receive volume rate discounts. Submit your usage stats to discover your custom rate.

Reliability and quality

By-P is directly tied into the telephone network. That means your calls traverse the most stable path possible in and out of your system to enhance call quality and reliability.

Flexibility and control

Configure and deploy By-P SIP trunking in minutes. Add new seats knowing line capacity won’t stand in your way. Activate new local or toll-free numbers instantly. Use our advanced SIP signaling to route calls more contextually and seamlessly integrate voice into your contact center platform.

Call data tracking

Track which numbers are being called most, from where, and when. Collect and access workforce management data in real time. Monitor usage to the minute with granular call detail records. features for contact centers

Intelligent SIP

By-P delivers meaningful intelligence with every single call. The rich data in By-PSIP packets empowers personalization, real-time workflow, and resource optimization, and enables custom feature functionality at no additional cost.

Advanced SIP headers:

  • X-tag: Add custom labels to your CDRs for easier call identification and management.
  • P-Asserted-Identity: Customize Caller ID on outbound calls. Private and restricted caller IDs are passed on inbound toll-free calls.
  • Diversion: Meaningful in call routing and delivery logic for IVR systems.

Instant activation

With no contracts or minimums, our proven carrier platform is instantly responsive to your business needs. Your calls can be transiting our network in less than 2 minutes from now. By-P offers local phone numbers nationwide in most countries of Europe, USA and Canada. Adding numbers is quick and easy, and you can start using them right away. Set preconfigured failover, or adjust routing at any time with immediate effect.


Frequently Asked Questions About Call Center SIP Trunking

How many concurrent calls per SIP trunk?

Standard SIP trunks from By-P can come with as many as 480 virtual SIP channels. This means you can support just as many concurrent calls for each SIP trunk you provision. There is no limit on how many SIP trunks you can provision to a single account. If you are unsure of your SIP trunk channel requirements, a By-P specialist can assist you.

Which countries are accessible when I buy SIP trunks?

Call center SIP trunking from By-P includes international dialing to 225+ countries worldwide.

How long does it take to set up my SIP call center?

By-P activates new customer accounts within 24-48 hours. In most cases, your international SIP trunks can be activated the same day. Once you are an By-P customer, you may buy SIP trunks online and activate them within minutes through your By-P user portal.

Can I buy SIP trunk channels online?

Yes. All call center SIP trunk services include access to By-P‘s Online Portal, where you can self-provision new SIP trunks, modify your service setting, and much more.

Translate »