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After configuring a Cisco CallManager Express with Cisco Unity Express, inbound calls from the PSTN...

After configuring a Cisco CallManager Express with Cisco Unity Express, inbound calls from the PSTN SIP trunk receive a ring tone for 20 seconds and then a busy signal instead of voicemail. Which configuration fixes this problem?

A.

Router(config)# voice service voip

Router(conf-voi-serv)#allow-connections h323 to h323

B.

Router(config)#dial-peer voice 2 voip

Router(config-dial-peer)#no vad

C.

Router(config)# voice service voip

Router(conf-voi-serv)#allow-connections voice-mail mod

D.

Router(config)# voice service voip

Router(conf-voi-serv)#no supplementary-service sip moved-temporarily

Cisco 300-815 Summary

  • Vendor: Cisco
  • Product: 300-815
  • Update on: Jul 27, 2025
  • Questions: 221
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