What happens if DNS SRV records are missing for SIP service discovery?

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Multiple Choice

What happens if DNS SRV records are missing for SIP service discovery?

Explanation:
DNS SRV records tell SIP endpoints where to locate the SIP registrar/proxy for a domain. When those records are missing, devices can’t automatically discover which server to contact for SIP signaling, so the SIP service discovery may fail. In that situation, endpoints would need to be configured with explicit server addresses (static or provisioned) to reach the SIP service. DHCP alone doesn’t supply SIP service locations, and MRA registration isn’t possible without knowing the SIP server address either. The HTTPS web portal is a separate service and isn’t determined by SIP SRV discovery.

DNS SRV records tell SIP endpoints where to locate the SIP registrar/proxy for a domain. When those records are missing, devices can’t automatically discover which server to contact for SIP signaling, so the SIP service discovery may fail. In that situation, endpoints would need to be configured with explicit server addresses (static or provisioned) to reach the SIP service. DHCP alone doesn’t supply SIP service locations, and MRA registration isn’t possible without knowing the SIP server address either. The HTTPS web portal is a separate service and isn’t determined by SIP SRV discovery.

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