Cannot hear the person being called

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What steps will reproduce the problem?
1. Load Siphon.
2. Dial a call on the virtual keypad or select caller from the Recents or
Contacts list.

What is the expected output? What do you see instead?
Person being called can hear me; however, I cannot hear the person I
called.  Handset speaker (not speaker-phone) produces no sound.

What version of the product are you using? On what operating system?
1st Gen. iPhone with firmware 2.2.1 (5H11).  Siphon 2.0.3-1.

Please provide any additional information below.

Toggling speaker-phone on/off has no effect (still can't hear anything).

Issue seems to occur randomly.  Usually re-launching Siphon multiple times
will resolve it.

Issue did not exist with iPhone firmware 2.2 and Siphona 2.0.2.

Siphon installed with Cydia.

Original issue reported on code.google.com by dave.mac...@gmail.com on 4 Feb 2009 at 6:15

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Could you try to hold on/off during the call ?

Original comment by samuelv0...@gmail.com on 4 Feb 2009 at 8:17

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Toggling hold has no effect.

The issue seems more likely to occur after an app has used audio (Zephyr, iPod
player, etc.) but this could just as easily be a coincidence.

There is also a dramatic change in the volume of the keypad tones when dialing. 
Usually if they sound at (what seems like a) normal volume level, the call will 
work
fine.  If they sound at an insanely high volume level, then from what I can 
tell the
audio from the earpiece will be completely muted/silent.  (Possibly a 
coincidence as
well, but in my limited testing is seems to work this way.)

I'm using CallCentric and have been doing a ton of test calls using their test
number.  Last night I tested about 50 calls and the majority had no volume.  I'm
still trying to find out if there's a particular sequence of events that will
re-create the issue but haven't had much luck.

Original comment by dave.mac...@gmail.com on 4 Feb 2009 at 10:25

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I have the same issue.  I can get it to work by having another app setup the 
speaker. 
I am using voxalot.

Original comment by lgoo...@gmail.com on 8 Feb 2009 at 4:26

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it seems be the same issue that issue 82 :-(

Original comment by samuelv0...@gmail.com on 8 Feb 2009 at 9:08

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I have the same issue, i can't hear the other person speaking but he can hear 
me. I am using fwd sip 
server. 

Original comment by szah...@gmail.com on 8 Feb 2009 at 5:25

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this problem also occur if you are on 3G/EDGE data network. 

Original comment by tagasul...@gmail.com on 8 Feb 2009 at 9:03

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I have the same issue. No audio on my side and poor audio quality on the other 
side.
When I make a call with FRING and go back to Siphon the audio is back. Seems to 
be a
problem with initializing the earpiece audio device on startup. I have tested 
with a
local Asterisk PBX.

Original comment by joerg.st...@gmail.com on 9 Feb 2009 at 8:40

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i find the same issue happening. I will call and they can hear me fine but i 
cannot hear anything they say. (i 
called my house phone a 10 times to try this out) I also noticed when I had the 
NAT set to on under advance 
settings the program would never fully open. it would open then close after 2 
seconds (basically while it was 
trying to connect) i turned off the NAT and it connects fine. I have the 
Edge/3G set to off in case that was 
interferring with me hearing the other party and I don't have any settings in 
the STUN. i am using sipphone.com 
for my service.

Original comment by todd...@gmail.com on 8 Mar 2009 at 2:17

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I'm having the same problem.
Previous version worked great, this one has this same audio problem, but in 
addition
to that the person I'm calling says it's completely choppy.

Original comment by Steve.Ho...@gmail.com on 8 Mar 2009 at 9:46

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I am having this problem in 2.0.6 as well. 2.0.5 was fine.

I can't hear the person i'm calling. They can hear me but very choppy.

Works fine with NAT disabled. Doesn't seem to matter if its WiFi or EDGE/3G

Iphone OS 2.2.1.

Original comment by neilbags@gmail.com on 9 Mar 2009 at 2:56

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On further investigation, turning off NAT does NOT fix the issue.

I don't know how I managed to get it to work but now after a reboot I cannot 
get it
to work again.

Does anyone have the .deb for version 2.0.5? I'd like to downgrade so I can 
still use it.

Original comment by neilbags@gmail.com on 9 Mar 2009 at 4:25

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Sorry for all the comments.

I found the deb for siphon 2.0.5. Its here if anyone else needs to downgrade:
http://thebigboss.org/repofiles/cydia/debs2.0/siphon_2.0.5.deb

Downgrading resolves the problem.

Original comment by neilbags@gmail.com on 9 Mar 2009 at 4:38