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I have tried all that and we still can not receive voice mail from external callers, only internal callers.
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I have tried all that and we still can not receive voice mail from external callers, only internal callers.

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Hi voipman; thanks for your help. I have figured it out, there was a recent update that Microsoft rolled out for the Exchange server that caused the initial issue. I have ran the permission wizard and restarted all the Unity services; this fixed our issue.<br />
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Thanks again voipman!
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Hi voipman; thanks for your help. I have figured it out, there was a recent update that Microsoft rolled out for the Exchange server that caused the initial issue. I have ran the permission wizard and restarted all the Unity services; this fixed our issue.

Thanks again voipman!

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We have Cisco Unity 4.0 and recently when external callers leave a voicemail the voicemail does not get routed to the recipient. We get the below error in the application event log. Intenal callers voicemails do get routed to the recipient. Does anyone know why the internal voicemail gets routed and not the external ones.<br />
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to recipient &lt;&lt;recipient.name&gt;&gt; could not be delivered and was moved to the failed directory. &nbsp;This can occur for several reasons: the recipient mailbox may be disabled or inaccessible, Cisco Unity may be having trouble connecting with the partner server, or the Cisco Unity messaging component may not be properly configured. &nbsp;If this condition persists, contact Cisco TAC. 0x00001024 <br />
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We have Cisco Unity 4.0 and recently when external callers leave a voicemail the voicemail does not get routed to the recipient. We get the below error in the application event log. Intenal callers voicemails do get routed to the recipient. Does anyone know why the internal voicemail gets routed and not the external ones.

to recipient <<recipient.name>> could not be delivered and was moved to the failed directory.  This can occur for several reasons: the recipient mailbox may be disabled or inaccessible, Cisco Unity may be having trouble connecting with the partner server, or the Cisco Unity messaging component may not be properly configured.  If this condition persists, contact Cisco TAC. 0x00001024 



Cisco Unity Issue External Calls not routing to Voice Mail

Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service. The term specifically refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN).  Examples of the VoIP protocols are H.323, Media Gateway Control Protocol (MGCP), Session Initiation Protocol (SIP), H.248 (also known as Media Gateway Control (Megaco)), Real-time Transport Protocol (RTP), Real-time Transport Control Protocol (RTCP), Secure Real-time Transport Protocol (SRTP), Session Description Protocol (SDP), and Inter-Asterisk eXchange (IAX).

Voice Over IP

IP telephony (Internet Protocol telephony) is a general term for the technologies that use the Internet Protocol's packet-switched connections to exchange voice, fax, and other forms of information that have traditionally been carried over the dedicated circuit-switched connections of the public switched telephone network (PSTN). Using the Internet, calls travel as packets of data on shared lines, avoiding the tolls of the PSTN. The challenge in IP telephony is to deliver the voice, fax, or video packets in a dependable flow to the user.