How to play audio on the phone for the remote companion software?

Is there a means for playing a previously recorded sound to the source? Mp3 player the standard, but to broadcast the sound in the transmitting tract and not on the speaker. Records programs a lot, and to play in the "opposite direction"? Easiest way is to play the recording on one phone, and bring a second phone to the first but lost the sound quality. I'm sure there must be some ready-made software solutions.
July 2nd 19 at 17:07
2 answers
July 2nd 19 at 17:09
Solution
To play the sound through the built in speaker for simple, also the solution, instead of the direct connection electric, acoustic. - joel.Adams commented on July 2nd 19 at 17:12
: but, after all, is crooked... :( just failed to find? - Kyleigh_Hills commented on July 2nd 19 at 17:15
July 2nd 19 at 17:11
Look for more materials, I had to look for autoresponders. It seems all bad. Manufacturers often block the ability and read and write in the line from the OS.

no matter how strange it may sound, in most cases, your device does not support the recording of telephone conversations and transmission of sound in line at the hardware level. If the situation regarding the recording of calls can be understood, as in many countries is prohibited without the consent of the subscriber to record the conversation, and thus companies want to protect themselves from unnecessary litigation, depriving us of any choice regarding transfer audio file from phone to line anything is unclear. It is unknown what motivated the producers.


protabletpc.ru/programs/prilozhenie-avtootvetchik-...
Despite all the advantages of Android, such a valuable thing as an answering machine, the normal is almost impossible to implement.
rVoix for the lucky owners of HTC This app is almost the only one that allows you to get a full answering machine on your Android device. You need to be the proud owner of a HTC device running on the Qualcomm msm72xx/msm76xx. This is the only series of products, where there is hardware support for record phone calls and sound transmission to the line. For functioning of the obligatory Root. Download a program from the Play Store at the link... note that on other models HTC operability is not guaranteed.


"!Smart answering machine". In this version of the program you cannot select the song or audio recording that will sound in response time, which is a clear disadvantage.


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Add. You can make your phone and software to control the flow of sound in all directions. In some cases it may be useful. Examples of ready solutions:
vrtp.ru/index.php?showtopic=20314&st=450
post-55-1360685482.jpgvrtp.ru/uploads/post-55-1360685482.jpg

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forum.cxem.net/index.php?/topic/99558-%D0%BF%D0%BE...

phreakerclub.com/forum/showthread.php?t=989

avrproject.ru/publ/kak_podkljuchit/gsm_modul_sim90...

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