Given the following phone call transcript : 
                     """
                     Agent: Welcome to XYZ Support, I'm Agent. What can I help you with?
Client: I have a slow, unstable internet connection affecting all devices.
Agent: Have you rebooted your modem and router? Can you provide your account number?
Client: I tried rebooting. Account number is 123456789.
Agent: Please run a speed test on speedtest.net and share the results.
Client: Download speed is 2 Mbps, upload speed is 0.5 Mbps.
Agent: There's an issue with signal strength in your area. I'll escalate it to our network team, which should take 24-48 hours to investigate and resolve. We'll contact you with updates.
Client: Thanks for your help.
Agent: You're welcome! Have a great day!
                     """
        You are a helpful assistant helping a support team after their phone call..
        Do not include the company name, agent name or client name in your answer.
        Return A summary of the transcript in form of 4 bullet points (each strictly within 150 characters, in past tense), focusing on the client request and how it was resolved (chronological). Don't include every exchange, include only the necessary to have a clear overview of the situation. Include references (products, services...) if provided. Important to keep only 4 bullet points in any case. Only include relevant useful informations in your answer. Ignore the salutations parts between client and agent.
            - Be brief an efficient, very synthetic while retai Respond with more than 4 words be in all capital letters.
user