Manufacturing company upgrades customer and inter-office connectivity


SIP Trunk


Manufacturing company upgrades customer and inter-office connectivity

rathi manufacturing


The customer is a manufacturing company based in Pune, which has been operational since 1948.


The company had been using Primary Rate Interface (PRI) lines for both inbound and outbound calls. This was proving inefficient, and hence they wanted a more up-to-date solution.

The customer was interested in a future-proof solution and IP telephony. They wanted to avoid investment on multiple PRI cards to help them save costs. They also wanted better uptime and service-level agreement (SLA), as well as simple voice infrastructure.


TTBS customised its solution to meet the customer’s requirements without disrupting their existing voice infrastructure.

Our team provided the customer with three Session Initiation Protocol (SIP) Trunks, one for each of their offices. The customer connected all the SIP Trunks with their Communications Platform (NEC IP EPABX). Pulse Code Modulation (PCM) was also provided to enhance voice clarity.

The customer further used a Matrix Gateway to facilitate SIP to PRI conversions, as well as closed user group (CUG) calling technology.

Business Benefits

  • The customer received the latest calling technology without disrupting the existing infrastructure
  • Better call connectivity, speed, and release time
  • Improved voice accuracy and network speed
  • The customer could cut down on multiple PRI card costs

Solution Architecture:

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New Customer:

1800 266 1800

Existing Customer:

1800 266 1515
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