может кому еще пригодится, то, что нашел:

Polycom

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>

<directory>

<item_list>

<item>

<ln>last_name</ln>

<fn>first_name</fn>

<ct>17605697676</ct>

</item>

<item>

<ln>last_name</ln>

<fn>first_name</fn>

<ct>17124320075</ct>

</item>

</item_list>

</directory>

GrandStream

<?xml version="1.0" encoding="UTF-8"?>

<AddressBook>

<Contact>

<LastName>last_name</LastName>

<FirstName>first_name</FirstName>

<Phone>

<phonenumber>17605697676</phonenumber>

<accountindex>0</accountindex>

</Phone>

</Contact>

<Contact>

<LastName>last_name</LastName>

<FirstName>first_name</FirstName>

<Phone>

<phonenumber>17124320075</phonenumber>

<accountindex>1</accountindex>

</Phone>

</Contact>

</AddressBook>

dlink 150

[phonebook]

PBName001 Full name

PBURI001 17605697676

PBRing001

PBName002 Full name

PBURI002 1712432075

PBRing002

yearlink / cisco 79xx / snom

<?xml version="1.0" encoding="UTF-8"?>

<%vendor%IPPhoneDirectory>

<Title>Menu</Title>

<Prompt>Prompt</Prompt>

<DirectoryEntry>

<Name>Full name</Name>

<Telephone>17605697676</Telephone>

</DirectoryEntry>

<DirectoryEntry>

<Name>Full name</Name>

<Telephone>17124320075</Telephone>

</DirectoryEntry>

</%vendor%IPPhoneDirectory>