https://business.forums.bt.com/t5/Phone-line/Cloud-Voice-Express-Mobile-App/m-p/88611#M3743 <P>Hello</P><P>I have set up my desk Cisco Phone no problem but need to make and receive business calls on my mobile when I am not in the office.</P><P>I downloaded the app some time ago before CVE was ready - The number is there but there is a red strap line at the top of the screen saying 'Failed to SIP register' I am unsure what this means and how to resolve it. I'm not sure if it will prevent any callers getting through?</P><P>Has anyone come across this also and can advise?</P><P>Many Thanks</P> Tue, 14 Mar 2023 16:51:42 GMT Tanny 2023-03-14T16:51:42Z https://business.forums.bt.com/t5/Phone-line/Cloud-Voice-Express-Mobile-App/m-p/88611#M3743 <P>Hello</P><P>I have set up my desk Cisco Phone no problem but need to make and receive business calls on my mobile when I am not in the office.</P><P>I downloaded the app some time ago before CVE was ready - The number is there but there is a red strap line at the top of the screen saying 'Failed to SIP register' I am unsure what this means and how to resolve it. I'm not sure if it will prevent any callers getting through?</P><P>Has anyone come across this also and can advise?</P><P>Many Thanks</P> Tue, 14 Mar 2023 16:51:42 GMT https://business.forums.bt.com/t5/Phone-line/Cloud-Voice-Express-Mobile-App/m-p/88611#M3743 Tanny 2023-03-14T16:51:42Z