The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for ISUP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ISUP over the 3 months to 27 April 2017 with a comparison to the same period in the previous 2 years.

ISDN User Part (ISUP)
England / London
3 months to
27 Apr 2017
Same period 2016 Same period 2015
Rank 589 660 671
Rank change year-on-year +71 +11  
Permanent jobs citing ISUP 3 4 2
As % of all permanent IT jobs advertised in London 0.009% 0.009% 0.004%
As % of the Communications & Networking category 0.056% 0.060% 0.025%
Number of salaries quoted 3 4 1
Median salary £55,000 £32,500 £50,000
Median salary % change year-on-year +69.23% -35.00%  
UK excluding London median salary £45,000 £38,000 £39,750
% change year-on-year +18.42% -4.40%  

ISUP is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
London
Permanent job vacancies with a requirement for communications and computer networking skills 5387 6703 7903
As % of all permanent IT job vacancies advertised in London 15.75% 15.79% 17.72%
Number of salaries quoted 4512 5710 6600
Median salary £52,500 £52,500 £51,500
Median salary % change year-on-year - +1.94%  
90% offered a salary of more than £31,500 £30,000 £30,000
10% offered a salary of more than £75,000 £75,000 £72,500
UK excluding London median salary £40,000 £42,500 £42,250
% change year-on-year -5.88% +0.59%  

ISUP
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing ISUP as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for ISUP in London

ISUP
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ISUP in London.

Salary trend for ISUP in London

For the 6 months to 27 April 2017, IT jobs citing ISUP also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for ISUP.

1 3 (100.00%) Cisco
1 3 (100.00%) Juniper
1 3 (100.00%) DWDM
1 3 (100.00%) MPLS
1 3 (100.00%) SS7
1 3 (100.00%) Q.931
1 3 (100.00%) H.323
1 3 (100.00%) SDH
1 3 (100.00%) VoIP
1 3 (100.00%) Ethernet
1 3 (100.00%) Telecoms
1 3 (100.00%) xDSL
2 2 (66.67%) Presales
3 1 (33.33%) Network Design
3 1 (33.33%) Marketing
3 1 (33.33%) Product Management
3 1 (33.33%) Migration
3 1 (33.33%) Streaming Video
3 1 (33.33%) TCP/IP
3 1 (33.33%) VPN
3 1 (33.33%) WAN
3 1 (33.33%) ATM
3 1 (33.33%) LAN

ISUP
Co-occurring IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Communications & Networking
1 3 (100.00%) DWDM
1 3 (100.00%) Ethernet
1 3 (100.00%) H.323
1 3 (100.00%) MPLS
1 3 (100.00%) Q.931
1 3 (100.00%) SDH
1 3 (100.00%) SS7
1 3 (100.00%) VoIP
1 3 (100.00%) xDSL
2 1 (33.33%) ATM
2 1 (33.33%) LAN
2 1 (33.33%) TCP/IP
2 1 (33.33%) VPN
2 1 (33.33%) WAN
General
1 3 (100.00%) Telecoms
2 1 (33.33%) Marketing
Job Titles
1 2 (66.67%) Presales Engineer
1 2 (66.67%) Technical Engineer
2 1 (33.33%) Consultant
2 1 (33.33%) Infrastructure Consultant
2 1 (33.33%) Sales Consultant
2 1 (33.33%) Technical Consultant
2 1 (33.33%) Technical Infrastructure Consultant
2 1 (33.33%) Technical Sales Consultant
Miscellaneous
1 1 (33.33%) Streaming Video
Processes & Methodologies
1 2 (66.67%) Presales
2 1 (33.33%) Migration
2 1 (33.33%) Network Design
2 1 (33.33%) Product Management
Vendors
1 3 (100.00%) Cisco
1 3 (100.00%) Juniper