in addition: With some tests I found out, that the problem only 
emerges, if there is a +49 (the counrty digits) in any phone number 
field.

For me in Version 4.1.4 of Turba that Problem isn't fixed. I use a 
Samsung Smartphone with davdroid and if i change fields in the phone 
that changes do not sync with horde. After the sync the changes are 
eliminated.

Changes have been made in Git (FRAMEWORK_5_1):

commit d7c0a946f69a1a32dfd4fd4c8b86fcd1751199bc
Author: Jan Schneider <jan@horde.org>
Date:   Mon Mar 10 13:06:53 2014 +0100

     [jan] Fix importing vCard fields with lowercase TYPE attributes 
(Bug #13006).

     Conflicts:
             turba/docs/CHANGES
             turba/lib/Driver.php
             turba/package.xml

  turba/docs/CHANGES   |    1 +
  turba/lib/Driver.php |    6 ++++++
  turba/package.xml    |    2 ++
  3 files changed, 9 insertions(+), 0 deletions(-)

http://git.horde.org/horde-git/-/commit/d7c0a946f69a1a32dfd4fd4c8b86fcd1751199bc

Changes have been made in Git (master):

commit ea9828a693fd19741ff8cbd44def9d89468d430f
Author: Jan Schneider <jan@horde.org>
Date:   Mon Mar 10 13:06:53 2014 +0100

     [jan] Fix importing vCard fields with lowercase TYPE attributes 
(Bug #13006).

  turba/docs/CHANGES   |    1 +
  turba/lib/Driver.php |    9 ++++++++-
  turba/package.xml    |    2 ++
  3 files changed, 11 insertions(+), 1 deletions(-)

http://git.horde.org/horde-git/-/commit/ea9828a693fd19741ff8cbd44def9d89468d430f

Sorry for the dealy. I'm just a hride user and I have to forward your 
questions to the admins every time.
We synced again with a more verbose loglevel but found nothing in it. 
Shall we try again with debugging activated?
No mapping at all was configured, there's just the original   
"attributes.php". Where and how would this mapping be defined?

Does mapping depend on direction? -- When I create an account in horde 
and sync to the phone, "TEL;TYPE=CELL,VOICE:" is transmitted correctly 
to the phone. If the contact was created on the phone, 
"TEL;TYPE=cell:" is ignored by horde. Or is the "voice"-attribute 
missing? But there is nothing about "voice" in "attributes.php".

Do you see any errors in any log files (Horde, web server, PHP)?
What I actually meant was whether you have the cellPhone attribute 
mapped in your address book.

No, isn't.
The file "turba/config/attributes.php" is untouched since 
installation, containnig the lines, that I've attached to this comment

I forget to say the Test User2 exist in TURBA, but withaout phone, 
cellphone, email attribute data. and it is shown on the mobile phone, 
but without attribut data.

Hello,

i have the same issue.
I have a complete self installed and configured horde groupware.
When i create a test contact with name, surename, e-mail, phone and 
cellphone (mapped to phone2 in db) and then sync with davdroid to my 
mobile phone everything wents good and the contact is shown completely 
on the phone.

Problem 1:
Then i delete or change the phone number and sync again. After this 
the original phone number is back on the mobile phone. Same issue with 
other fields.

Problem 2:
Create new Test User2 on mobile phone. After sync the user is delete 
in the mobile phone.

Link to report on davdroid: https://github.com/rfc2822/davdroid/issues/176

Thanks for help

Is the phone number stored in Turba? Do you have a cellPhone attribute 
defined in Turba?

After creating (or editing) a phone number of a contact on the 
smartphone, the changes are deleted after syncing with horde 
groupware. Likewise hapens to e-mail data.

I provide a log file of a sync process. You can see, that all data 
first is transmitted to the horde server correctly, but near the end 
of sync the updated resource is missing the phone number.