What is a SIP call flow?

What is a SIP call flow?

We pick up the phone and dial, but before the other person picks up, an entire conversation happens between SIP devices. This is SIP call flow.

What initiates a SIP call?

User Agent
A User Agent is the end-point of a SIP call. It initiates SIP requests as instructed by the user and, on receipt of a SIP request, contacts the user and responds to the request on their behalf. A Proxy is used to route requests and enforce policy or firewalls.

How do I hold a call on SIP?

SIP Call Hold feature allows a User to generate a SUS message to put a call on hold or unplug a terminal from a socket and uses a RES message once the terminal is re-connected to a new socket and the T2 (User Initiated) or T6 (Network Initiated) timer has not expired.

What is the use of 183 session Progress SIP?

Allow 180 after 183 In a normal call flow the 183 Session Progress message indicates whether the calling user agent should provide alerting or not. Once the 183 has been sent then a 180 Ringing message is sent dependent on the specific call flow.

What are the 3 parts of a call flow?

Here are the crucial elements that make up a winning call flow.

  • Efficient Call Handling.
  • A Good Call Management Feedback System.
  • Efficient Automated Attendant System.
  • Total time the customer is on the phone line.
  • Key Takeaway:

How do you differentiate invite and re-invite?

One difference between invite and re-invite is obviously the re-invite has incremental cseq number than the initial invite. The other difference is re-invite will have the totag value where in the initial invite doesn’t.

How do you write a call flow?

  1. Step 1: List specific scenarios. Scenarios describe situations that your agents are likely to encounter.
  2. Step 2: Interview Subject Matter Experts (SMEs)
  3. Step 3: Interview agents and reconcile the procedure.
  4. Step 4: Write down the critical path and variations.
  5. Step 5: Fill in the details and format for clarity.

What is call flow in BPO?

Call flow is a method for guiding call center agents through the customer service problem-solving process. It’s particularly important for employees who are in their first year at your call center because it helps them effectively ask the right questions to resolve inquiries as quickly as possible.

What makes a good call flow?

Authenticate and Locate (the Call Driver) The trick to a good call flow is to make the customer feel heard and appreciated while moving them through the steps of the call as quickly as possible.

What is difference between Reinvite and update in SIP?

A RE-INVITE affects the session (the media stream) and the dialog. In contrast, an UPDATE does not impact the dialog state, and helps in scenarios where the media in early dialog needs to be put on hold.