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Archived:CTelephony::DialNewCall() API gives connection error in dual mode (Known Issue)

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[[Category:S60]]
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[[Category:Known Issue]][[Category:Symbian C++]]
[[Category:Known Issue]]
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[[Category:Telephony]][[Category:S60 3rd Edition]][[Category:S60 3rd Edition, Feature Pack 1]]
 
__NOEDITSECTION__ __NOTOC__
 
__NOEDITSECTION__ __NOTOC__
[[Image:KB_Developer.gif]]
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{{KBKI}}
{|style="background:#f2efec" width="660px" border="1" cellpadding="5" cellspacing="0"  
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This known issue was originally created by '''Krugliy''' and has been verified by Forum Nokia.  
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{|style="background:#eceff2" width="660px" border="1" cellpadding="5" cellspacing="0"  
 
|-
 
|-
|'''ID''' ||Unofficial - No ID assigned
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|'''ID''' ||KIS000892
|'''Creation Date''' || 11th Feb 2008
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|'''Creation date''' ||April 16, 2008
 
|-
 
|-
|'''Platform''' || 
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|'''Platform''' ||S60 3rd Edition<br> 3rd Edition, FP1
|'''Devices''' ||&nbsp; E60
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|'''Devices''' ||S60 3rd Edition 3G devices
 
|-
 
|-
|'''Category''' ||&nbsp; S60 3rd Edition
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|'''Category''' ||Symbian C++
|'''Sub-Category''' ||&nbsp; CTelephony-> DialNewCall
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|'''Sub-Category''' ||Telephony
 
|}
 
|}
  
I have an application developed in S60 3rd Edition (Symbian OS 9.1).
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==Description==
This application uses CTelephony's DialNewCall API to hang up user dialed
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Number and then Dial a New Number using DialNewCall.
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The application is working fine in GSM mode but when it is in Dual Mode
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giving connection error and call is terminated.
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Please provide me any reason or solution for this.
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After programmatically hanging up an outgoing call created by the user or by another application, (using, for example, <tt>CPhCltCommandHandler::Chup()</tt> or the ''Phone Client API''), an attempt to create a new call may fail.
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When the device is in a 3G network and a new call is established immediately after the previous call has been terminated, call creation may fail with the telephony application displaying a ''Disconnected'' note.
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Note that this behavior has only been observed in 3G networks when using a device in 2/3G dual mode.
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==Solution==
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No known solutions for 3G (dual) network mode, however adding a delay between hangup and call creation increases the success rate. It has been also observed that new firmware versions do not have this problem anymore; for example, the issue cannot be reproduced with Nokia N95 sw v20.0.015.

Revision as of 14:24, 16 April 2008


Template:KBKI This known issue was originally created by Krugliy and has been verified by Forum Nokia.

ID KIS000892 Creation date April 16, 2008
Platform S60 3rd Edition
3rd Edition, FP1
Devices S60 3rd Edition 3G devices
Category Symbian C++ Sub-Category Telephony

Description

After programmatically hanging up an outgoing call created by the user or by another application, (using, for example, CPhCltCommandHandler::Chup() or the Phone Client API), an attempt to create a new call may fail.

When the device is in a 3G network and a new call is established immediately after the previous call has been terminated, call creation may fail with the telephony application displaying a Disconnected note.

Note that this behavior has only been observed in 3G networks when using a device in 2/3G dual mode.


Solution

No known solutions for 3G (dual) network mode, however adding a delay between hangup and call creation increases the success rate. It has been also observed that new firmware versions do not have this problem anymore; for example, the issue cannot be reproduced with Nokia N95 sw v20.0.015.

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