Back to Case studyHealthcare Solutions Provider Achieves Swift, Reliable Voice Connectivity With SIP Trunk
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The customer is a dynamic company with over 100 years of leadership in medical imaging. They provide solutions that enhance productivity and help deliver better patient care
Business Challenge
The customer required a secure and reliable voice connectivity solution that ensured redundancy and uninterrupted calling They needed a total of 200 channels, and the solution should support 100 concurrent calls with an auto failover mechanism They were looking for a simple voice infrastructure with better uptime and SLA
TTBS Solution
- TTBS delivered SIP Trunk over Ethernet with Synchronous Data Hierarchy (SDH) ring architecture.
- SIP Trunk would be terminated over customer SBC from the last mile.
- TTBS provided two SIP Trunks with 100 channels each, which terminated over separate SBCs to ensure redundancy.
- 200 Direct Inward Dialling (DIDS) were evenly divided 100 on each trunk.
- Bandwidth for both trunks supported collective aggregate for concurrency.
- Our SIP Trunk is a P 2 P circuit with 30 IP address assigned The same IP address was assigned to the NIC interface of the customer’s PBX.
- Codec on both trunks was configured along the internationally approved G 711 A law.
- Dual tone multi frequency (DTMF) method followed RFC 2833.
- “P-Preferred Identity” header was included in all SIP INVITEs for correct DID CLIP display on the outgoing calls
- DID no sending (DINS) on SIP INVITE “ header on incoming calls.
Benefits
- Redundancy of multiple PRI cards due to SIP Trunk provided by a single service provider
- SLA backed voice services
- 100 concurrency due to better solution bandwidth, leading to uninterrupted calling
- Call establishment time lower by more than 30 compared to PRI
- A reliable solution that’s also scalable on the same trunk
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