Asterisk/sip expert needed on monthly basis for $100/month, 3-4 days work a month -- 2

I am looking for an Asterisk/SIP expert to help me configure a SIP trunk.

Specific tasks include:
- Configuring the SIP trunk on my Asterisk server
- Assisting with troubleshooting any issues that arise during the setup process

Requirements:
- Expertise in Asterisk and SIP configuration
- Experience with setting up SIP trunks
- Familiarity with troubleshooting Asterisk setups

Additional information:
- I already have a SIP provider
- Ongoing maintenance assistance will be required after the SIP trunk has been configured.