IDC Market Share Figure

Executive Summary

Advice for Technology Suppliers

Market Share

Video Segment Pressured

Communications Service Provider Market Share

Wireless Key to Competitive Position

Communications Service Provider Capital Spending in 2017

Wireline Voice

Local Wireline

Incumbent Local Exchange Carriers Remain Dominant

Circuit Switch Decline

Competitive Local Exchange Carriers

Cable and IP TelephonySIP Trunk Spawns New PlayersUnified Communications and Collaboration

Long Distance Interexchange Carriers and Resellers


Cloud Computing and Datacentres

Fibre-Optic Networks and Wholesale Internet Transport


Other Internet Service Providers

IPTV and Video


Wireless Subscriber Growth Picks Up

Prepaid Versus Postpaid Subscriber Mix

Who Shaped the Year

Market Context

3rd Platform and Digital Transformation

Significant Market Developments

Wireline Voice Service

SIP Trunks

VoIP Also Stalls

Wireless Service

Wireless Subscriber Growth Slowed But Not Stalled

Wireless Voice Declines Pressure ARPU

Mobile SubstitutionWireless Internet Substitution

Wireless Broadband Fuels Data Growth: More Connected Devices and Services

WiFi and Integrated Mobile Broadband

5G, SDN, and the 3rd Platform

Data (WAN) Services

IP VPN and Metro Ethernet

Datacentre Networking and WAN ConvergenceInteroperabilitySD-WAN Appears

Internet and Video

Increasing Data Needs and Gigabit Internet

Fibre-Optic Last Mile Rollouts Accelerate

Quad Bundles

Over-the-Top Video

Regulatory Environment


SIP Trunk

Note on SIP Terms

Unified Communications and Collaboration

Difficulty Reconciling with CRTC Market Data

Market Definition

Telecom Taxonomy and Service Definitions

Communications Service Provider Types and Classification

Local TDM and Wireline

VoIP, Cable Telephony, SIP Trunk, and UCC


Long Distance


Wireless Data SegmentationWireless Wholesale



Video Services

Customer Segments


Telecommunications Wholesale

Business Company Size Definitions

Region Definitions


Related Research

Supplementary References