On 06/15/2011 09:05 AM, fatemeh shapouri wrote: > Hi, > Thanks for your guess. > Do you know how should I release port? Can I change local port? > I have to admit, i'm not familiar with the IOS environment. I don't think that there is a pj mechanism for temporarily giving up the port. If you have outgoing calls only, try to use another port (i.e. 5070) to prevent conflicts with other applications. Regards -- Dipl.-Ing. (FH) Andreas Wehrmann Software Development -------------------------------------------------------------- Center Communication Systems GmbH A-1210 Wien, Ignaz-K?ck-Stra?e 19 Sitz in Wien FN 796 88p, Firmenbuchgericht Wien www.centersystems.com Tel.: +43 (0) 190 199 - 3616 Mobile: +43 (0) 664 884 75916 Fax: +43 (0) 190 199 - 2110 E-Mail: a.wehrmann at centersystems.com