SIP Trunking, Team Licences and Telephony

Please can I have the answers to the following questions:
1. SIP Trunking
a. Have you implemented SIP?
b. If yes, when does the contract expire?
c. Who is your SIP provider?

2. Team Licences
a. Which Microsoft 365 Licence do you have e.g. E3, E5 Have you voice enable your Teams Licences?
b. If not, is that something you are considering?

3. Telephony
a. What is your current telephony system?
b. How many users of the telephony system?
v. When is the contract up for renewal?

4. Contact Centre
a. What contact centre solution is the council using?
b. How many agents does the contact centre employ?
c. How many agents are concurrently working?
d. When is the contract for the contact centre ending.

The requested information is already publicly available at the following link ICT Relations.