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Enterprise Communication Solutions Powered by Avaya

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Avaya Emerald Partner
Certified to deliver Avaya solutions, implementation, and support services.
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Authorized Distributor
Genuine products with manufacturer-backed warranties and support.
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Vendor-Certified Services
Professional deployment, maintenance, and technical assistance.
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Regional Delivery Support
Fast delivery and deployment across Asia-Pacific.
Why Us

Why Choose PTT for Avaya Solutions?

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20+ Years of Avaya Partnership

Extensive experience in implementing and supporting Avaya communication systems across multiple industries.

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Authorized Supply Channel

All products are sourced through official channels, ensuring authenticity and long-term support.

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Certified Technical Experts

Professional engineers with extensive deployment and maintenance experience.

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Local Support & Fast Deployment

Responsive service and efficient delivery throughout the Asia-Pacific region.

Products

Featured Avaya Products

Explore industry-leading communication solutions designed for modern enterprises.

Entry-Level
Avaya J139 IP Phone

Avaya J139 IP Phone

An entry-level IP desk phone designed for everyday business communications.

  • Cost-effective enterprise IP phone
  • HD audio quality
  • Dual Ethernet ports
  • Supports SIP protocol
  • Easy deployment and management
Request J139 Pricing
Professional
Avaya J179 IP Phone

Avaya J179 IP Phone

A professional-grade IP phone offering advanced communication features for executives and power users.

  • Color display
  • HD voice quality
  • Gigabit Ethernet support
  • Integrated Bluetooth connectivity
  • High-performance business communications
Request J179 Pricing
Media Gateway
Avaya G450 Media Gateway

Avaya G450 Media Gateway

A scalable media gateway platform designed for medium and large enterprises.

  • Supports SIP and traditional telephony
  • High availability architecture
  • Flexible expansion options
  • Enterprise-grade reliability
  • Ideal for hybrid communication environments
Request G450 Pricing

More Avaya Products

IP Office unified communications platform and CM series media gateways for SMBs to enterprise branch offices.

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J100 Series SIP Phones · J100 Series SIP Deskphones

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J139 and J179 are shown in the Featured Products section above.

J129
J129 SIP Phone
Entry-level · Monochrome display · Single line
J159
J159 SIP Phone
Mid-range · Dual color screens · 10 programmable keys
J189
J189 SIP Phone
Flagship · 5" touchscreen · 16 programmable keys
Wireless Module
J100 Wireless Module
Wi-Fi / Bluetooth · For J159/J179/J189
24-Key Expansion Module
J100 24-Key Expansion Module
Up to 3 for J179 · Up to 2 for J189
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Collaboration & Video Conferencing · Digital Phone & Video Collaboration

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9508
9508 Digital Phone
IPO digital station · Non-SIP
K175
Avaya Vantage K175 V3
Touchscreen video collaboration terminal · Third-party video support
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IPO Series · IP Office 500 V2 Platform

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IPO500V2
IPO IP500 V2A Control Unit
IP Office 500 V2A
Analog Extension 2
Analog Extension 2 (Internal)
2-port analog station card
Analog Extension 8
Analog Extension 8 (Internal)
8-port analog station card
Analog Station 30
Analog Station 30
30-port analog station module (w/ PSU & bracket)
Digital Station 8
Digital Station 8 (Internal)
8-port digital station card
Digital Station 30
Digital Station 30
30-port digital station module (w/ PSU & bracket)
VCM-32
VCM-32 (Internal)
32-channel voice compression card
VCM-64
VCM-64 (Internal)
64-channel voice compression card
ATM Combo Card
ATM Combo Card (Internal)
4 analog trunk + 6 digital + 2 analog + 10 VCM
Expansion Card
4-Port Expansion Card
For external module expansion
Analog Trunk 4
Analog Trunk 4 (Internal)
4-port analog trunk card
Single PRI
Single PRI (Internal)
E1 digital trunk card · 8 channels
Dual PRI
Dual PRI (Internal)
Dual E1 digital trunk card · 8 channels each
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CM Series · Communication Manager Media Gateways

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MM710
MM710 T1/E1
Digital trunk module · 1x T1/E1
MM711
MM711 Analog Trunk
Analog trunk module
G430
G430 Media Gateway
Compact media gateway · 1-150 users · SLS/ELS survivability
VCM
VCM Resources
32 / 64 channel voice compression

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🇭🇰 PTT（HK）LIMITED

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Address Rm. 1803, 18/F, One Portside, 29 Tai Yau Street, San Po Kong, Kowloon, Hong Kong, China
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Phone +852 95528366
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Email comtels_hk@ptt.com.cn

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Monday – Friday 09:00 – 18:00
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Support 7×24 Hour Response