Could you please help me How should I config my 3750 sw in order to run this scenario?
Our Phone should get IP from internet service provider DHCP server and not from our side.
There is RJ45 cable comes from ISP to my 3750 sw

SW name:
HP Pro Curve 2910 AL-48G-POE+
Configuration
SW-HP-2910AL-Distribution2# conf t
SW-HP-2910AL-Distribution2 (config)# Vlan 2
SW-HP-2910AL-Distribution2(vlan-2)# voice
SW-HP-2910AL-Distribution2(vlan-2)# name "Voice_Vlan"
SW-HP-2910AL-Distribution2(vlan-2) tagged 44
SW-HP-2910AL-Distribution2(vlan-2)# ip address 172.16.5.253 255.255.255.0
SW-HP-2910AL-Distribution2# wr mem

My router:
Cisco 3750G 24TS-S Calalyst

interface GigabitEthernet1/0/24
description VOICE-VLAN-- Bouygues
switchport access vlan 2
switchport trunk encapsulation dot1q
switchport mode access
switchport voice vlan dot1p
no ip address
duplex full
mls qos trust cos
no mdix auto
spanning-tree portfast
!
IP telephon
Name: Polycom VVX411

Thank you!