"No Data" appearing every 1 min of call sipdroid/googletalk on Droid X

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What steps will reproduce the problem?
1. Make or recieve a call
2. After first 30 sec, screen says "No Data" for 1 sec and call cuts and returns
3. Then after every 1 min (at the 30 sec mark of each min), "No Data" reappears 
for 1 sec, call cuts for 1 sec then returns.

What version of the product are you using? On what device/operating system?
2.0.1 beta
Droid X Rooted

Which SIP server are you using? What happens with PBXes?
pbxes.org

Which type of network are you using?
None. Droid is only being used with Wifi on and airplane mode(no 3G)

Please provide any additional information below.

The first few days with Sipdroid worked great. The problem initially started 
appearing 5 days ago. The exact timing of the problem makes me think that there 
might be a setting that I should be able to change. My wifi is set always on. 

Original issue reported on code.google.com by mrneil...@gmail.com on 29 Jan 2011 at 2:31

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hi,Im having the same problen with my g-tablet..calls keep cuting off then 
displaying a no data message...any luck with fixing this problem?

Original comment by BellaRos...@gmail.com on 21 Feb 2011 at 2:29

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Same here...

Original comment by Tracerbu...@gmail.com on 12 Apr 2012 at 8:00

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still have this problem. Have to use another app due to this.
some times "no data" status is longer. But wifi is on all the time. 

Original comment by chenwens...@gmail.com on 26 Apr 2014 at 12:48